Developer Tools Directory

Monitor ML models post-deployment to detect and alert on underlying issues before they cause significant problems.

The first natively multimodal model in the GLM-5 series, offering advanced capabilities.

An AI-native platform for building and scaling applications.

An open-source kernel for coding agents, enabling AI-driven software development.

Traccia is a vendor-neutral AI Agent Control Plane for managing AI agents.

Interact with an AI agent that has a realistic face and voice in real-time.

Open-weight preview of the Qwen4 large language model.

Transform your professional profile into an intelligent AI agent.

Trajectory-aware LLM routing to reduce agent costs.

Build cloud agents that work across your tools.

Gemini 3.5 Transcribe offers a highly accurate speech-to-text model for precise transcription.

Multi-model fact-checking API for AI workflows.

An embedded-first C++23 stream processing engine for high-performance applications.

AI-powered tool that writes terminal commands directly for you.

Local codebase memory for AI coding agents, enhancing their understanding and performance.

Trace where a link goes before opening it to enhance online safety.

Flint is a tool to help you write better code.

A text editor balancing a complete feature set with ease of use for developers.

Open-source stock screener with point-in-time backtesting for algorithmic trading strategies.

A shared workspace for people and AI agents to collaborate and get work done.

Vercel's programming language for AI agents.

Integrates image and video AI models into a single workflow for content creation.

An open knowledge graph of problems, solutions, and real-world outcomes.

A lightweight Linux downloader built with Rust and io_uring for high performance.

Build and deploy self-hosted social media agents on a Raspberry Pi for idea validation and business development.

Local deterministic style checks for AI-written drafts.

Turn ordinary USB flash drives into powerful PC security keys for enhanced access control.

Application-layer parsing in eBPF for network traffic analysis.

Visualize network traffic from your machine to external servers on a live map.

An AI-powered port manager designed to streamline network port management on macOS.

Verifies AI integration fixes with a Model Context Protocol.

An AI coworker that automates tasks, giving you more time for important work.

An AI runtime that remembers, learns, and acts everywhere.

AI coding agent for iOS and macOS app development.

Control your company's internal AI agents and tools.

A memory layer that intelligently decides what information is worth retaining.

Search and act across all your work apps, streamlining productivity for professionals.

Connect your AI spend directly to your roadmap to optimize resource allocation.

Create macOS native automations using plain language.

A mail client optimized for managing multiple self-hosted email domains.

AI-powered tool to help recruitment teams efficiently screen hundreds of resumes beyond simple keyword matching.

Get Hacker News notifications for specific topics, users, or keywords.

Real-time API for detecting and blocking disposable, temporary, or burner email addresses during user registration.

Archron provides execution governance for AI agents interacting with business CRMs, ensuring safe data writes and immutable audit logs.

Enables iMessage/SMS continuity and clipboard sync between Linux and iPhone.

Inspect and debug UI elements within Tauri applications.

Parallel coding agents that can fan out subtasks and report back.

Undo functionality for AI agent shell commands, preventing accidental data loss.

Empower non-engineers to build secure internal tools with ease.

Fully managed platform for running OpenClaw & Hermes AI agents, simplifying setup and deployment.

Turn your app's functionality into a conversational interface for coding agents.

Create an agent team for open-ended creation with MiniMax Design.

Run AI models on any device with this new tool.

Highlight and summarize web pages, PDFs, and videos directly in your Firefox browser.

Agentic mobile observability platform for real-time app performance and crash analysis.

Share AI-built prototypes and get feedback pinned to the page.

An AI coding agent's testing companion for enhanced software development.

An agentic IDE designed for both designers and programmers.

A tiny Python ECS library using class attributes for game development and other component-based systems.

A search engine where users control the ranking of results, offering an alternative to traditional search experiences.

A visual and configurable ping utility for network engineers, offering an alternative to the default ping command.

An open-source workspace for building and managing AI agents.

LinXiv is a P2P research paper manager with collaboration features.

Code review tool that follows callers across your repositories.

Kubara packages, versions, and operates consistent Kubernetes platform stacks across clusters.

Chrome extension to improve reading long articles by optimizing screen space usage.

Provides an independent receipt for every LLM API call for transparency and accountability.

Manage and monitor AI agents effectively, reducing the need for constant oversight.

Open-source unified interface for agent harnesses.

Build AI video agents for FaceTime with just a few lines of code.

OpenRouter for tools with 2,600 APIs, 0% markup.

Agentic software delivery platform moving beyond AI coding.

Open-source MCP bridge for Blender AI workflows.

AI platform to track and manage physical assets.

Open-source trading harness for Claude Code / Codex.

AI-powered video transcoding and processing for developers.

A live clock displaying UTC time with ISO 8601 and Unix timestamp conversions.

A visual 16-bit CPU simulator that runs in the browser, allowing assembly debugging.

Finds jobs that match your resume in 60 seconds using AI.

Turn any file into a trackable, shareable link for easy distribution and analytics.

Apple Shortcut to update your GitHub README with saved repositories from your iPhone.

A fast, private disk visualizer built in Rust for understanding disk usage.

Automates release notes generation to answer 'is this shipped yet?' questions.

A modern coding harness for today's coding models.

A tool for creating and sharing documents that automatically disappear after a set time.

Drop-in rotation trick for VQ-VAEs, replacing STE with geometric gradient rotation.

Learn complex topics with personalized, bite-sized audio/visual lessons and interactive quizzes.

Aggregates Indian economic data from government websites into an accessible format.

Test firmware on a virtual chip without hardware, streamlining development and testing.

A local browser for AI agents, providing a visible execution environment.

Stops AI agents before they break something.

Connects AI agents to the real world, acting as a secure gateway.

Run a fleet of AI agents across your machines.

Publish interactive docs that answer and report back.

Seamlessly transfer AI chats between ChatGPT, Claude, and Gemini with a single click.

An AI coding agent capable of self-refinement, enhancing its own operational framework.

A local-first, modular, self-hosted accounting and ERP system for businesses.

Delete all your Discord messages from your data export.

Lightweight agent runtime in Rust for efficient AI agent orchestration with optimized caching and context management.

Inspect and control data loaded by Codex before task execution.

AI-powered FFmpeg plugin for subtitling, translating, and clipping video content.

On-device AI copilot for Android, offering privacy and offline capabilities.

iMessage bridge for Linux, connecting to your iPhone via Bluetooth.

Open source Claude Code inspired coding agent for developers.

A FOSS self-hosted language reader with LLM integration for language learning.

Local context memory engine for AI coding agents.

Fine-tune an 8B LLM on a 4 GB laptop GPU.

The Creative Agent OS for building better with desktop AI agents.

CLI tool to generate and maintain documentation using AI models like Claude or Codex.

Compete in prompt engineering challenges to find the shortest, most effective prompts.

Next-gen AI image generator with segmentation editing capabilities.

Join live voice calls with six AI minds by typing a goal.

Reduce coding agent session costs by up to 85% and extend their runtime.

Test and ship variants of your production app with a tool like Figma for live applications.

Build evals and custom benchmarks for real-world AI tasks.

Build and deploy AI agents for Slack & Teams without production issues.

AI-powered desktop app for automatically creating and editing video tutorials.

Hacker News filtered to reduce AI-generated content, focusing on human-written articles.

Generative UI for Claude, Codex, and Gemini CLI to create user interfaces from code.

Python concurrency testing library using bytecode tracing and monkeypatching to find race conditions.

Terminal session manager for Claude Code and other LLM interactions.

Self-hosted Discord AI memory bot that summarizes conversations and answers questions using local LLMs.

An open-source IDE designed for OSS coding with a free tier available.

Cloudflare Wallets offers a programmable wallet for the agentic internet, enhancing user control and security.

Make private company knowledge usable for AI.

An open-source agentic development workspace for AI-powered software creation.

Streamline hiring with AI-powered candidate screening and communication.

Local sandboxes for AI agents on Mac, Linux, and bare metal.

Define safety at runtime for text and images.

Meta's terminal agent for long-horizon coding tasks.

AI-powered agent for automatically fixing bugs in your code.

Turn screen recordings into actionable prompts for AI.

Brandfetch MCP prevents AI from incorrectly identifying brand logos.

Make your product feed visible to AI shopping agents.

AI Agents for automated customer support.

Resolve software deployment issues with SeaTicket in 4 steps.

Keyboard-only window grids for Mac for efficient window management.

Self-hosted, customizable cheatsheet portal for hosting documentation and cheatsheets directly in GitHub repositories.

An infinite coding video generator featuring retro MS-DOS IDEs for background work.

Z3-backed model-finder for neuro-symbolic reasoning, combining LLMs with constraint solving.

AI employees to automate and grow home services businesses by handling bookings and follow-ups.

Sabba is a security bug finder that proves every finding by running it.

StatsKit is a unified platform for product analytics, feature flags, A/B testing, session replay, and funnels.

A language server for agent skills, enhancing development workflows for AI agents.

Open-source alternative to Descript for editing video by editing text transcripts.

Turn Claude code into a visual Kanban build loop for AI development.

A tool that uses AI to generate winning ad copy at scale from data.

An always-on AI agent that lives in your home and interacts via iMessage.

AI specialists that join Google Meet calls to provide feedback.

Launch iMessage agents in seconds to automate conversations and workflows.

Securely provide and store data and context for AI agents.

A research engine designed to enhance agent capabilities by providing comprehensive web-based information.

Ask your AI Analyst for ready-to-share reports.

SpaceXAI's advanced model for coding, agentic tasks, and knowledge work.

Near-Fable 5 intelligence at half the price.

AI automation agent for cross-app and browser task completion.

An ad-free news brief service that fact-checks and flags bias in articles.

Turn OpenAPI/Postman specs into Python MCP servers

macOS security tool that locks your Mac when your iPhone leaves the room.

Deploy sites using Claude/ChatGPT, focusing on server configuration and deployment.

iOS terminal and workspace for CLI AI agents, enabling seamless interaction with AI models on mobile.

An experimental workflow layer for AI coding agents to manage context and prevent repetition.

Enables AI agents and people to message each other directly, end-to-end encrypted, with no accounts.

A Rust TUI for LLM agents with context pruning, enhancing LLM interaction efficiency.

Filter Reddit for actionable market insights and customer needs.

Chromium browser allowing AI agents to work on web tasks in parallel with users.

Market research and idea validation leveraging 140K+ signals.

An open-source Mac dictation app that operates entirely on-device for enhanced privacy and control.

AI-powered spreadsheet for business users, integrating AI into data management.

AI agents for startup naming and marketing automation.

Self-hosted Codex alternative with local models and voice capabilities.

Control Codex CLI with a Logitech MX keypad for enhanced developer productivity.

Run GPT-5.6 on OpenClaw & Hermes safely on your Mac.

Turns merged PRs and Slack threads into documentation.

An AI workspace that integrates canvas and code for collaborative development.

A shared filesystem designed for AI agents to facilitate collaboration and data management.

Transforms team video and notes into searchable memory.

Explain your knowledge to AI and uncover what you don't know.

A community library of composable prompt blocks for AI, utilizing Model Context Protocol (MCP).

AI agents automating order-to-cash operations.

The most capable AI assistant with its own inbox.

Create launch-ready motion videos for your products using AI.

An AI employee that provides live support to users within your product.

AI Coworkers that run your projects and operations, assisting with development and task management.

Build and control AI agents for your entire team.

Replay QA helps identify issues before users report them.

Understand anything online without leaving the page.

AI-powered ad creation tool designed to generate ads that drive conversions.

Open weights 975B multimodal model built for fine-tuning.

Personal context file for every AI agent.

A tool offering significantly faster performance for LLM inference compared to existing solutions.

Tool to transform text and PDFs into editable vertical videos.

App to switch Android developer settings on/off in 1 tap, useful for testing and debugging.

A free AI text humanizer powered by Groq Llama 3.3 to make AI-generated content sound more natural.

Local-first CLI to make Obsidian vaults searchable for AI agents.

Review locally and send feedback back to your coding agent.

Self-hosted license server with offline signing key for secure license management.

Measures your GPU's true bandwidth ceiling for local AI development.

Deploy AI agents in 5 lines of code for automated tasks.

Self-hosted AI application that transforms Hacker News into a personalized daily briefing.

Build AI-driven workflows across 1000+ apps.

Automates `npm publish` with Touch ID authentication for agents and scripts.

A free, open-source, local image compressor designed to avoid online annoyances.

AI coding agent that generates machine-checkable proofs for code.

A pattern recognition and problem-solving tool to enhance computing and software interview skills.

Ephemeral P2P Git remote for pushing code between sandboxes.

A lightweight, open-source desktop AI companion for side-by-side coding and AI queries.

Open-source AI starter templates in NextJS and OpenAI for building voice AI agents and multimodal chatbots.

Self-hosted personal finance app for secure data tracking.

A free desktop application for AI-powered trading using Ollama.

A fast TypeScript to Go toolchain aiming to be a ts-node alternative.

Local 3D generation with Vulkan and CUDA, inspired by llama.cpp and stable-diffusion.cpp.

Reduce alert noise by grouping similar alerts.

Enables agents to share context seamlessly, enhancing collaborative AI development.

A browser that remembers everything and can act on anything.

Cloudflare-native email infrastructure for developers.

Email infrastructure designed for AI agents to sign up, send, and reply.

Transforms company operations into an interactive map for AI agents.

Hybrid academic search over 236M papers, built for agents.

The memory layer for AI agents, enabling persistent storage and retrieval of information for enhanced AI functionality.

CLI tool to find hardcoded colors and spacing bypassing design tokens in CSS.

Integrates After Effects with Claude Code, Cursor, and Antigravity for enhanced creative workflows.

Manage and monitor your AI coding agents, knowing when they need your input.

Self-hosted voice AI agent for Asterisk/FreePBX, enabling custom voice interactions.

Website monitoring service with outage discussion and verified owner updates.

AgentTransfer allows AI agents to self-sign up and host their own web applications, simplifying deployment.

Downloadable EU/US LiDAR scans and terrain models for geospatial data projects.

A project management tool designed for individuals juggling multiple projects by centralizing updates and surfacing intelligence.

Automates user access management by syncing with your organization's changes.

AI video & audio effects SDK for real-time applications.

Terminal and Mac menu bar companion for Kickbacks.ai, simplifying AI development workflows.

API integration testing that remembers what breaks.

AI memory that connects dots across all your tools.

Open-source agents that run 100% locally on your Mac.

Headless iOS app publishing pipeline for AI agents.

A live data marketplace for AI agents, providing real-time data access.

Fudge MCP allows AI agents to adopt design tastes from existing websites.

Enables full-duplex voice communication with ChatGPT for enhanced interaction.

An interactive atlas mapping 8.5M research papers with linked code, citations, and gene/drug data.

Browser extension to identify AI-generated content on webpages using community ratings.

Free and OSS way to extend client-facing functionality of Linear.

A personal AI chatbot designed to be a proactive and friendly companion, learning about users to offer assistance.

Visually edit HTML/CSS content within your application with an embeddable, isolated page editor.

Turn your phone into a Google Slides remote and allow multiple users to control a live presentation.

Open-source streaming Text-to-Speech that speaks as text arrives.

Host a static HTML page with one curl command; no signup required, auto-expires.

Know what your team actually shipped today.

The fastest and most accurate dictation model globally, offering advanced speech-to-text capabilities.

Automates existing workflows with a single prompt.

A self-learning knowledge base that improves itself.

A CLI for shipping coding agents, designed for agent development workflows.

Interact with your SEO & AI Visibility data via WhatsApp.

Tool for prompt injection defense and token savings, #1 in benchmarks.

Build AI agents, workflows, and apps in one stack.

Trading desk for LLM calls

Private AI autocomplete for every app on your Mac.

An AI-powered notebook for data science, inspired by Cursor's approach for Jupyter.

Affordable, unmetered LLM API access for high-volume tasks without token tracking.

Run LeetCode solutions locally against open tests for practice and competitive programming.

CertLeaf helps event organizers issue verifiable E-certificates, solving a pain point for workshop and event organizers.

An open-source, local-first, model-agnostic AI research workbench.

A verified workflow engine for Claude Code, enhancing AI-assisted coding.

Free Windows video player with real-time frame interpolation for smoother playback.

Social listening for the agent era, providing insights and monitoring.

AI shopping agent that demonstrates product recommendation choices.

An open-source AI coding agent designed for product engineers.

Provide live market signals to your AI agent for enhanced decision-making.

Disposable test environments for AI coding agents.

Control AI coding and CLI agents from your iPhone.

Real-time structured search for agents and developers.

Compresses code for Claude, reducing tokens and cost by 50%.

AI that fights customer service for you

TypeScript runtime for self-organizing AI agents.

Validate app ideas with real market data before building.

Privacy-first Microsoft Recall alternative using Gemma 4 for local vision, audio, and reasoning.

A homebrew tool for managing Claude tags, potentially useful for developers interacting with Claude.

AI-powered legal document generation toolkit replacing expensive SaaS subscriptions.

Signal copilot for Flipper Zero files, aiding in analyzing and managing data.

Crew lets Claude Code agents communicate and collaborate on codebases without needing separate worktrees.

High-performance command guard and policy enforcement for AI agents, written in Zig.

Screen 3,000+ stocks by describing what you want in English using AI.

Local-first AI workspace with an in-browser Python sandbox for AI development.

WinGet wrapper organizing packages into versioned app profiles for Windows.

Shared, searchable memory for AI coding agents.

A BI tool that enables users to automate actions directly from their data.

Solaris is a platform designed to help companies adopt AI and upskill their workforce.

Connect your AI agent to postal mail.

One API to scrape, enrich, and extract the internet for developers.

Enhance your AI capabilities on macOS with this tool.

Build custom Mac apps using AI chat.

Voice in, voice out — with GitHub Copilot

AI-powered checklist maker for generating beautiful, free PDFs instantly.

Watch your AI coding agents build, live in 3D.

AI tool that automates tasks before you are even asked.

Autonomous AI agent for end-to-end Meta ads management.

Subscription tracker to manage your recurring payments and avoid forgotten renewals.

Anthropic's most capable general-purpose model (June 9, 2026). Available on Claude.ai Pro/Max/Team plans and via API. Approaches Opus-tier on most benchmarks at Sonnet pricing. Restricted in some regions.

New Copilot tier (June 2026). All plans now use usage-based billing with GitHub AI Credits. Copilot Max available as upgrade for Student, Pro, and Pro+ subscribers. Fable 5 available inside Copilot.

Hugging Face's minimal-abstraction agent runtime. ~1000 lines of Python. Lets models write and execute raw Python in managed sandboxes (E2B, Blaxel, Docker). No JSON schema translation required.

Google's replacement for the deprecated Gemini CLI (sunset June 18 2026). Built in Go with async workflows and unified architecture. Completely free during preview with multi-agent orchestration and Chrome browser automation.

April 2026 stability update. HD mode 3x faster and cheaper. Standard resolution 50% faster. New Prompt Shortener and updated Describe features. V8.2 and V9 (better text, style control, multi-image) on roadmap.

Free Private Cloud Compute access for developers with fewer than 2M App Store downloads (WWDC 2026). Image input support, server-side model integration (Claude, Gemini via Swift API), Dynamic Profiles for multi-agent workflows.

Anthropic's official TypeScript and Python toolchain for building agents with native MCP server integration and sub-agent orchestration. Works directly with Claude Sonnet and Opus models.

AI-native browser with integrated answer engine, context-aware tab assistance, voice mode, and multi-step agentic task automation. Free on iOS, Android, Windows, Mac (March 2026). Deep Research generates PowerPoints, spreadsheets, and dashboards.

Major April 2026 rebuild of the AI-native code editor. Agents Window runs multiple AI agents in parallel. Background Agents work in isolated VMs and open PRs when done. Cloud Agents triggered from Slack/GitHub/mobile.

Open-source coding agent with 160K+ GitHub stars and 7.5M monthly active developers (June 2026 #1 ranking). Model-agnostic — supports 75+ providers including Claude, GPT, Gemini, DeepSeek, and local via Ollama. LSP integration, background subagents, Scout agent for research.

Anthropic's frontier reasoning model. Top WebDev Arena score (1567 Elo). Best-in-class MCP-Atlas (77.3%). Pricing $5/$25 per million tokens.

Anthropic's auditable AI workbench for scientific research. Displays 3D protein structures, chemical structures, and molecules alongside the exact code that created them. Runs on Claude Opus 4.8.

Anthropic's most agentic Sonnet model (June 30, 2026). Introductory API pricing $2/$10 per million tokens through Aug 31. Default model for Free and Pro plans. Best value in the Claude lineup.

Google's frontier multimodal AI model family.

Meta's open-weight frontier model family.

OpenAI's frontier model family including reasoning-focused variants.

Claude Fable 5 — Anthropic's flagship frontier model released June 9 2026. Available via API ($10/$50 per million tokens), Claude Code, GitHub Copilot, and Cursor. Leads LMArena benchmarks.

Connect AI assistants to thousands of apps via Zapier's MCP server.

Pre-built MCP and tool integrations for connecting AI agents to 100+ apps.

Official debugging tool for testing MCP server implementations.

Registry and hosting platform for discovering and deploying MCP servers.

Official directory of available Model Context Protocol servers.

Neural search API designed for AI applications and agents.

Search API purpose-built for AI agents and LLM applications.

Text-to-speech and voice cloning API.

Run open-source AI models via simple API calls without managing infrastructure.

Serverless Redis, Kafka, and vector database with pay-per-request pricing.

Developer-friendly transactional email API.

Unified API access to 100+ LLMs from different providers through one endpoint.

Official prompt examples and best practices from OpenAI.

Official curated prompt examples and engineering guidance from Anthropic.

Open-source tool for testing and evaluating LLM prompts and outputs.

Debugging, testing, and monitoring platform for LLM applications by LangChain.

Prompt management, versioning, and analytics platform for LLM applications.

AI pair programmer integrated across major IDEs.

Open-source AI pair programming tool that works directly in your terminal and git repo.

Agentic IDE with Cascade flow for autonomous coding tasks.

Google's agentic IDE for autonomous multi-file development and testing.

Anthropic's agentic coding CLI tool for terminal-based development workflows.

Frontier code assistant model by Alibaba Qwen team, achieving industry-leading coding benchmarks.

Meta Llama 3.2 lightweight text generation model optimized for edge devices.

A trending repository: sponsors/freeCodeCamp.

Anthropic's hybrid reasoning frontier model that natively balances instantaneous responses with deep, extended-compute logical thinking.

xAI's massive-scale frontier model, featuring real-time access to global data streams and deep scientific reasoning capabilities.

Speed-oriented reasoning model designed for high-performance coding, complex math, and low-latency API integration.

Google's ultra-fast, high-context multimodal model designed for real-time agentic actions and audio-video processing.

Open-source frontier reasoning model that achieves performance parity with OpenAI's o1 in math, code, and reasoning tasks.

Full-stack AI app builder running entirely in-browser via WebContainers.

The world's first autonomous AI software engineer, capable of building, testing, and deploying complex software systems independently.

Generates UI components from text prompts, exports directly to React.

AI-native code editor built on VS Code with deep codebase context.

State-of-the-art voice generation and text-to-speech platform. Curated for developers building voice agents.

Frontier text-to-image generative model. Excellent for drafting media assets, mockups, and visual inspirations.

The issue tracker that teams actually love using. Fast, keyboard-shortcuts driven, and extremely polished.

Free, robust cryptocurrency data API tracking prices, volume, market cap, and developer stats.

A collective index of thousands of free, public APIs for developers across tech, finance, weather, and science.

Free, fake, and reliable online REST API for testing and prototyping with zero configuration.

Free, public API providing comprehensive information about countries, regions, population, and currencies.

Free, simple weather data API providing current, forecast, and historical weather data for any location.

Payment infrastructure for the internet. Startups use it to accept payments, manage subscriptions, and scale.

Free developer API to programmatically interact with repositories, user profiles, issues, and gists.

A simple, free HTTP Request & Response Service, perfect for testing various HTTP methods, headers, and status codes.

The search engine for internet-connected devices. Critical for network mapping and vulnerability assessment.

Industry-standard web vulnerability scanner and penetration testing tool. Indispensable for security audits.