# AI tools for developers The developer stack, from inline completion to autonomous agents to the APIs and local runtimes you call from your own code. ## Stats - 103 tools listed - 92 free or freemium - 58 with no paid plan at all - 7 sub-categories covered ## FAQ ### What are the best free AI tools for developers? Flocci AI Tools lists 103 of them, ordered free tiers first: Eclipse Theia IDE, OpenHands, Agno, Aider and AnythingLLM. 92 of the 103 are free or have a free tier. Each entry states what it uniquely does rather than a score. ### Which of these are completely free? 58 on this page are marked fully free with no paid plan at all: Eclipse Theia IDE, OpenHands, Agno, Aider and AnythingLLM. The remaining 45 are freemium, trial or paid, and each is labelled with its exact tier so nothing surprises you at sign-up. ### How were these AI tools for developers chosen? They are every catalog entry in 7 sub-categories that map to what developers actually do: write code faster, refactor across a repo, run an agent on a ticket, call a hosted model, run a model offline. There is no sponsorship and no paid placement anywhere in the ordering. ## Quick picks ### Which Best AI Tools for Developers work in a browser with no install? Eclipse Theia IDE, OpenHands, Amazon Q Developer, Baseten and Cloudflare Workers AI all work in a browser tab with no install needed — just open the site and go. 18 of the 92 free Best AI Tools for Developers listed here are browser-based. ### Which Best AI Tools for Developers let you sign in with Google? Cloudflare Agents SDK, Gemini CLI, Freebuff, GitHub Copilot and Google AI Studio support Google sign-in, so you can start without creating a new account. That's 11 of the 92 free Best AI Tools for Developers on this page. ### Which Best AI Tools for Developers have a mobile app? AnythingLLM, Google AI Edge Gallery, KoboldCpp, MediaPipe (Google AI Edge) and MLC LLM have an iOS or Android app. 9 of the 92 free Best AI Tools for Developers here can run on your phone. ### Which Best AI Tools for Developers can you self-host or run offline? Agno, Aider, AnythingLLM, AWS Strands Agents and BitNet can be self-hosted or run locally without a browser — useful for privacy, air-gapped networks, or avoiding API rate limits. 64 of the 92 free Best AI Tools for Developers here run offline. ## Tools - [Eclipse Theia IDE](https://aitools.flocci.in/tool/eclipse-theia-ide) — Free — Open-source, vendor-neutral IDE with AI agents built on Theia AI - [OpenHands](https://aitools.flocci.in/tool/openhands) — Free — Self-hosted control center for coding agents with GUI, CLI and SDK surfaces - [Agno](https://aitools.flocci.in/tool/agno) — Free — Open-source (Apache-2.0) Python framework, 41.7k GitHub stars - [Aider](https://aitools.flocci.in/tool/aider) — Free — Open-source AI pair programmer in your terminal - [AnythingLLM](https://aitools.flocci.in/tool/anythingllm) — Free — All-in-one local RAG and agents app - [AWS Strands Agents](https://aitools.flocci.in/tool/aws-strands-agents) — Free — Open-source (6,800+ stars) Python and TypeScript SDK from AWS - [BitNet](https://aitools.flocci.in/tool/bitnet) — Free — Official inference framework for 1-bit (ternary) LLMs - [CAMEL](https://aitools.flocci.in/tool/camel) — Free — Open-source multi-agent framework focused on scaling agent societies and role-playing - [Claude Agent SDK](https://aitools.flocci.in/tool/claude-agent-sdk) — Free — MIT-licensed Python and TypeScript SDKs exposing the agent loop that powers Claude Code - [Cline](https://aitools.flocci.in/tool/cline) — Free — Open-source autonomous coding agent for VS Code - [Cloudflare Agents SDK](https://aitools.flocci.in/tool/cloudflare-agents-sdk) — Free — Framework for building and deploying stateful AI agents on Cloudflare Workers - [Continue](https://aitools.flocci.in/tool/continue) — Free — Apache-2.0 open-source coding agent for VS Code, JetBrains and the CLI - [Crush](https://aitools.flocci.in/tool/crush) — Free — Terminal coding agent from Charm with LSP-aware context - [DSPy](https://aitools.flocci.in/tool/dspy) — Free — Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars - [exo](https://aitools.flocci.in/tool/exo) — Free — Links everyday devices (Macs, PCs, phones) into one cluster to run models too large for a single machine - [Firebase Genkit](https://aitools.flocci.in/tool/firebase-genkit) — Free — Open-source framework for AI apps in JavaScript, Go, Dart and Python - [Gemini CLI](https://aitools.flocci.in/tool/gemini-cli) — Free — Open-source terminal agent from Google - [Google Agent Development Kit (ADK)](https://aitools.flocci.in/tool/google-agent-development-kit-adk) — Free — Open-source Python/Java framework from Google for building multi-agent systems - [Google AI Edge Gallery](https://aitools.flocci.in/tool/google-ai-edge-gallery) — Free — Runs Gemma models fully on-device on Android and iOS, offline after one model download - [Goose](https://aitools.flocci.in/tool/goose) — Free — Open-source agent (now under Agentic AI Foundation/Linux Foundation) usable as CLI, desktop app or API - [GPT4All](https://aitools.flocci.in/tool/gpt4all) — Free — Private local chat with your documents - [Haystack](https://aitools.flocci.in/tool/haystack) — Free — Apache-2.0 framework for context-engineered, production RAG and agent pipelines - [Jan](https://aitools.flocci.in/tool/jan) — Free — Open-source, offline ChatGPT alternative - [Kimi Code CLI](https://aitools.flocci.in/tool/kimi-code-cli) — Free — MIT-licensed terminal coding agent from Moonshot AI that edits files, runs shell commands and uses MCP - [KoboldCpp](https://aitools.flocci.in/tool/koboldcpp) — Free — Ships as a single portable executable with a bundled web UI (KoboldAI Lite) - [LangChain](https://aitools.flocci.in/tool/langchain) — Free — MIT-licensed framework of model, tool and retrieval integrations for agents - [LangChain Deep Agents](https://aitools.flocci.in/tool/langchain-deep-agents) — Free — Batteries-included agent harness with planning, sub-agents and a virtual file system - [LangGraph](https://aitools.flocci.in/tool/langgraph) — Free — Build stateful, multi-agent apps as graphs - [llama.cpp](https://aitools.flocci.in/tool/llama-cpp) — Free — Pure C/C++ inference engine with minimal dependencies, runs on CPU-only hardware - [llamafile](https://aitools.flocci.in/tool/llamafile) — Free — Packs model weights and runtime into one executable that runs on macOS, Windows and Linux - [LM Studio](https://aitools.flocci.in/tool/lm-studio) — Free — Polished desktop GUI for local models - [LocalAI](https://aitools.flocci.in/tool/localai) — Free — Drop-in OpenAI-compatible API server running models on your own hardware, CPU or GPU - [Mastra](https://aitools.flocci.in/tool/mastra) — Free — Open-source TypeScript framework (Apache 2.0) for agents, workflows and RAG - [MediaPipe (Google AI Edge)](https://aitools.flocci.in/tool/mediapipe-google-ai-edge) — Free — Cross-platform on-device ML for vision, audio, text and LLM inference - [Microsoft Agent Framework](https://aitools.flocci.in/tool/microsoft-agent-framework) — Free — Unified open-source framework for building and orchestrating multi-agent systems in Python and .NET - [Microsoft AutoGen](https://aitools.flocci.in/tool/microsoft-autogen) — Free — Multi-agent conversation framework - [mini-SWE-agent](https://aitools.flocci.in/tool/mini-swe-agent) — Free — Roughly 100-line agent that solves GitHub issues or works in your command line - [Mistral Vibe](https://aitools.flocci.in/tool/mistral-vibe) — Free — Apache-2.0 minimal terminal coding agent built around Devstral models - [MLC LLM](https://aitools.flocci.in/tool/mlc-llm) — Free — Compiles and runs LLMs natively on iOS, Android, browsers (WebGPU), Mac, Windows and Linux - [MLX-LM (Apple)](https://aitools.flocci.in/tool/mlx-lm-apple) — Free — Purpose-built for Apple Silicon's unified memory architecture, faster than llama.cpp for many models on Mac - [Ollama](https://aitools.flocci.in/tool/ollama) — Free — The default way to run LLMs locally - [Open SWE](https://aitools.flocci.in/tool/open-swe) — Free — Open-source asynchronous coding agent from LangChain - [Open WebUI](https://aitools.flocci.in/tool/open-webui) — Free — Self-hosted ChatGPT-style interface - [OpenAI Agents SDK](https://aitools.flocci.in/tool/openai-agents-sdk) — Free — Lightweight agent orchestration from OpenAI - [OpenCode](https://aitools.flocci.in/tool/opencode) — Free — Fully open-source terminal/IDE/desktop coding agent, MIT licensed - [OpenSandbox (Alibaba)](https://aitools.flocci.in/tool/opensandbox-alibaba) — Free — Secure, fast runtime for executing untrusted AI-generated code - [Pydantic AI](https://aitools.flocci.in/tool/pydantic-ai) — Free — Type-safe Python agent framework from the Pydantic team, validated structured outputs - [Qwen Code](https://aitools.flocci.in/tool/qwen-code) — Free — Open-source terminal CLI adapted from Gemini CLI, tuned for Qwen3-Coder models - [Qwen-Agent](https://aitools.flocci.in/tool/qwen-agent) — Free — Agent framework built on Qwen 3+ with function calling, MCP and code interpreter - [Semantic Kernel](https://aitools.flocci.in/tool/semantic-kernel) — Free — MIT SDK for integrating LLMs into C#, Python and Java apps - ... and 53 more — see the full list on the page. --- Source: Flocci AI Tools — https://aitools.flocci.in/best/ai-tools-for-developers Facts last verified: October 2026