Best Free Developer tools AI tools

Odysseus is a privacy-first, self-hosted AI worksp...

Odysseus is a privacy-first, self-hosted AI workspace for running and serving local LLMs, autonomous agents, and multi-turn chat, offering model management, hardware-aware serving, built-in tools, persistent memory, research workflows, and integrations.

Heretic is a toolkit for customizing, ablating, an...

Heretic is a toolkit for customizing, ablating, and evaluating dense and MoE/hybrid LLMs, offering built-in chat, a benchmark runner, multiple ablation and analysis methods, Hugging Face/GitHub integration, CLI/pip support, and reproducible workflows.

cli-anything hub is a registry and marketplace for...

cli-anything hub is a registry and marketplace for agent-native CLIs and skills, indexing dozens of tools across 31+ categories. It provides a unified CLI for discovery, installation, inspection, and integration tooling for agent developers.

Open-source desktop app for running local LLMs on ...

Open-source desktop app for running local LLMs on Windows/macOS/Linux, supporting text and multimodal inputs, file attachments, multiple model backends with hot-switching, chat/instruction modes, prompt-engineering tools, API/tool-calling, extensibility, and conversation branching.

ccm is a cross-platform desktop tool that centrali...

ccm is a cross-platform desktop tool that centralizes Claude configurations, agents, commands, skills, memory, rules and integrations, offering project-wide instructions, reusable skills, graph-based usage visualization, search, validation, archived sessions, and plugin support.

LLMs Work visually explains LLM internals—pre-trai...

LLMs Work visually explains LLM internals—pre-training, tokenization, transformer blocks, attention, inference, and RAG—plus dataset curation, training dynamics, and deployment considerations, with visualizations and live examples for debugging, evaluation, and model interpretation.

canirun.ai is a searchable database mapping AI mod...

canirun.ai is a searchable database mapping AI models to compatible hardware, listing CPUs/GPUs (including Apple M-series and NVIDIA cards), model requirements, VRAM/memory needs, filters and comparisons to plan local inference, fine-tuning, or deployment.

Unsloth Studio is a no-code web UI enabling local ...

Unsloth Studio is a no-code web UI enabling local training, running, and exporting of open AI models like Qwen3.5 and NVIDIA Nemotron 3, simplifying experimentation for users without extensive technical expertise.

Claude Code explorer helps you to understand and e...

Claude Code explorer helps you to understand and explore how claude code works within a simulated enviroment

Compresr is an open-source context-compression lib...

Compresr is an open-source context-compression library for LLM pipelines and agents, offering coarse chunk selection and fine-grained token-level compression to shrink conversation history, documents, and tool outputs—reducing inference latency and token costs while preserving task accuracy.

Pi.dev is a terminal-based coding agent for develo...

Pi.dev is a terminal-based coding agent for developers and teams, offering TUI, RPC/SDK modes, extensible TypeScript modules and packages, multi-provider model authentication, session/context management, RAG/memory primitives, and CLI tooling for automation and integration.

Unfudged.io is a filesystem flight recorder that c...

Unfudged.io is a filesystem flight recorder that continuously captures file-system snapshots for point-in-time restores. It provides a local-only, content-addressed store with a CLI/desktop app for timeline exploration and file-level rewind.

Emdash.sh is an open-source agentic development en...

Emdash.sh is an open-source agentic development environment that orchestrates coding agents across isolated git worktrees for parallel execution and best-N experimentation. It provides a unified dashboard with built-in review tools and integrations to manage, compare, and ship agent-generated code without switching contexts.

A Telegram bot linking Anthropic’s Claude to devel...

A Telegram bot linking Anthropic’s Claude to developer workflows for code generation, review, and automation. Supports agentic multi-step tasks, external tool integrations, GitHub repository and PR context, message threading, and CI/CD automation.

claude-dev.tools is a session analysis and debuggi...

claude-dev.tools is a session analysis and debugging suite for Claude that reconstructs full session context and provides detailed token attribution across all components. It offers local and remote log inspection, execution trace visualization, and security monitoring through a self-hosted, open-source desktop application.

Actionbook.dev enables AI agents to operate websit...

Actionbook.dev enables AI agents to operate websites using precise, pre-verified action manuals. It eliminates manual DOM analysis to execute clicks, typing, and navigation 1x–10x faster on dynamic web apps.

CopilotHub is a curated repository of GitHub Copil...

CopilotHub is a curated repository of GitHub Copilot prompts, AI agents, development tools and MCP configs offering searchable, categorized instructions for code review, documentation, debugging, automated refactoring and systematic modernization across frontend, backend and database workflows.

PinMe provides instant static-site deployment via ...

PinMe provides instant static-site deployment via an npm CLI or browser drag-and-drop, with GitHub integration, upload history, and basic file management. Sites publish to IPFS for peer-to-peer distribution and cryptographic verification.

APIDNA automates API integrations with autonomous ...

APIDNA automates API integrations with autonomous agents that ingest OpenAPI/Postman specs, perform no-code request/response mapping and transformations, validate responses, generate client code, run end-to-end tests, and monitor performance for secure, scalable integrations.

Portkey is an LLMOps platform offering a unified A...

Portkey is an LLMOps platform offering a unified API and model catalog with observability, guardrails, RBAC, audit logs, prompt management, caching, routing and PII redaction to simplify multi-model integration, governance, monitoring, and cost optimization.

Sleek generates mobile app mockups from text promp...

Sleek generates mobile app mockups from text prompts or images, offering templates, style presets, in-app editing, and modular responsive components. Export clean layouts to Figma or production-ready code for rapid prototyping and developer handoff.

Swimm is an application understanding platform tha...

Swimm is an application understanding platform that extracts business rules from legacy and mainframe code, combining static analysis and AI to build a searchable knowledge base, reverse-engineer architecture, map dependencies, and auto-generate diagrams and documentation.

Foundry Local runs AI models on-device using ONNX ...

Foundry Local runs AI models on-device using ONNX Runtime (CPU/GPU/NPU) to keep data local, offering an OpenAI-compatible API, Python/JS/C#/Rust SDKs, a model hub, and CLI tools for edge and enterprise deployments.

Ministral WebGPU optimizes machine learning applic...

Ministral WebGPU optimizes machine learning applications by utilizing enhanced graphics processing power. It supports various app files, enabling efficient collaboration and development, with an intuitive interface suitable for both beginners and experienced practitioners.

Google Antigravity is an IDE for developers featur...

Google Antigravity is an IDE for developers featuring tab autocompletion, natural language code commands, and configurable agents that monitor tasks. It offers cross-surface synchronization and a unified mission control view for managing multiple agents.

DeepSeek Free provides browser access to 671-billi...

DeepSeek Free provides browser access to 671-billion‑parameter DeepSeek-R1/V3 models for conversational Q&A, code assistance, math solving, and document/image-aware NLP; supports direct use without login, workflow integration, customization, and encrypted data handling.

Snippfy automates development workflows from ticke...

Snippfy automates development workflows from ticket to pull request by syncing Trello/Asana/Jira, using custom AI agents to process tasks, generate code, create branches and open GitHub pull requests, reducing repetitive developer work.

Supernova.io is an AI collaborative workspace enab...

Supernova.io is an AI collaborative workspace enabling product teams to prototype, manage design systems, sync tokens, convert Figma prototypes into production-ready components and code, and maintain searchable documentation, governance, and integrations for cross-team alignment.

Website Cloner is a tool that replicates a website...

Website Cloner is a tool that replicates a website's front-end design and functionality by crawling its assets. It creates offline-ready duplicates for use in content migration, redesign, and competitor analysis.

UI Root is a collaborative design tool for UX/UI p...

UI Root is a collaborative design tool for UX/UI professionals, featuring reusable components, extensive libraries, and animation tools. It enhances teamwork by facilitating sharing and feedback, supporting both individual and team projects for streamlined workflows.