# The best free code & development tools

All 99 code & development tools in the catalog across 12 sub-categories, ordered free tiers first.

## Stats

- 99 tools listed
- 87 free or freemium
- 35 with no paid plan at all
- 12 sub-categories covered

## FAQ

### What are the best free code & development tools?

Flocci AI Tools lists 99 of them, ordered free tiers first: Chat2DB, Cloudflare VibeSDK, DeepWiki, Eclipse Theia IDE and Gitingest. 87 of the 99 are free or have a free tier. Each entry states what it uniquely does rather than a score.

### Which of these are completely free?

35 on this page are marked fully free with no paid plan at all: Chat2DB, Cloudflare VibeSDK, DeepWiki, Eclipse Theia IDE and Gitingest. The remaining 64 are freemium, trial or paid, and each is labelled with its exact tier so nothing surprises you at sign-up.

### How is this list ordered?

Free tools first, then freemium, then trial, then paid, and alphabetically inside each tier. Nobody pays to appear higher: Flocci AI Tools carries no ads, no sponsored slots and no paid listings, so the order reflects price and nothing else.

## Quick picks

### Which Code & Development Tools work in a browser with no install?

Chat2DB, Cloudflare VibeSDK, DeepWiki, Eclipse Theia IDE and Gitingest all work in a browser tab with no install needed — just open the site and go. 42 of the 87 free Code & Development Tools listed here are browser-based.

### Which Code & Development Tools let you sign in with Google?

Chat2DB, Gemini CLI, a0.dev, Base44 and Bolt.new support Google sign-in, so you can start without creating a new account. That's 30 of the 87 free Code & Development Tools on this page.

### Which Code & Development Tools have a mobile app?

a0.dev, Amazon Q Developer, GitHub Copilot, Kiro and Replit Agent have an iOS or Android app. 7 of the 87 free Code & Development Tools here can run on your phone.

### Which Code & Development Tools can you self-host or run offline?

Aider, bolt.diy, Cline, Continue and Crush can be self-hosted or run locally without a browser — useful for privacy, air-gapped networks, or avoiding API rate limits. 40 of the 87 free Code & Development Tools here run offline.

## Tools

- [Chat2DB](https://aitools.flocci.in/tool/chat2db) — Free — Cross-platform database client with natural-language SQL generation and optimisation
- [Cloudflare VibeSDK](https://aitools.flocci.in/tool/cloudflare-vibesdk) — Free — Open-source vibe coding platform you deploy to your own Cloudflare account
- [DeepWiki](https://aitools.flocci.in/tool/deepwiki) — Free — Auto-generates conversational, up-to-date wikis for any public GitHub repo
- [Eclipse Theia IDE](https://aitools.flocci.in/tool/eclipse-theia-ide) — Free — Open-source, vendor-neutral IDE with AI agents built on Theia AI
- [Gitingest](https://aitools.flocci.in/tool/gitingest) — Free — Swap 'hub' for 'ingest' in a GitHub URL to get a prompt-friendly repo digest
- [OpenHands](https://aitools.flocci.in/tool/openhands) — Free — Self-hosted control center for coding agents with GUI, CLI and SDK surfaces
- [Repomix](https://aitools.flocci.in/tool/repomix) — Free — Packs an entire repository into one AI-friendly file
- [Vespa](https://aitools.flocci.in/tool/vespa) — Free — Open-source AI search platform combining vector, text and structured search
- [Aider](https://aitools.flocci.in/tool/aider) — Free — Open-source AI pair programmer in your terminal
- [bolt.diy](https://aitools.flocci.in/tool/bolt-diy) — Free — Community fork of Bolt.new that lets you pick any LLM provider
- [Cline](https://aitools.flocci.in/tool/cline) — Free — Open-source autonomous coding agent for VS Code
- [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
- [DeepWiki-Open](https://aitools.flocci.in/tool/deepwiki-open) — Free — Open-source self-hostable wiki generator for GitHub, GitLab and Bitbucket repos
- [Gemini CLI](https://aitools.flocci.in/tool/gemini-cli) — Free — Open-source terminal agent from Google
- [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
- [HolmesGPT](https://aitools.flocci.in/tool/holmesgpt) — Free — Open-source SRE agent that investigates alerts and incidents across your observability stack
- [K8sGPT](https://aitools.flocci.in/tool/k8sgpt) — Free — Scans Kubernetes clusters and explains issues in plain language
- [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
- [LanceDB](https://aitools.flocci.in/tool/lancedb) — Free — Embedded, developer-friendly retrieval library for multimodal AI
- [Microsoft GraphRAG](https://aitools.flocci.in/tool/microsoft-graphrag) — Free — Builds knowledge graphs and community summaries from private text for RAG
- [Milvus](https://aitools.flocci.in/tool/milvus) — Free — Cloud-native Apache-2.0 vector database for large-scale similarity search
- [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
- [Open SWE](https://aitools.flocci.in/tool/open-swe) — Free — Open-source asynchronous coding agent from LangChain
- [OpenCode](https://aitools.flocci.in/tool/opencode) — Free — Fully open-source terminal/IDE/desktop coding agent, MIT licensed
- [pgvector](https://aitools.flocci.in/tool/pgvector) — Free — Open-source vector similarity search extension for Postgres
- [PR-Agent](https://aitools.flocci.in/tool/pr-agent) — Free — Open-source AI reviewer that describes, reviews and suggests improvements on pull requests
- [Qwen Code](https://aitools.flocci.in/tool/qwen-code) — Free — Open-source terminal CLI adapted from Gemini CLI, tuned for Qwen3-Coder models
- [SWE-agent](https://aitools.flocci.in/tool/swe-agent) — Free — Takes a GitHub issue and tries to fix it automatically with your LM of choice
- [Tabby](https://aitools.flocci.in/tool/tabby) — Free — Self-hosted AI coding assistant with completion and chat
- [Trae Agent](https://aitools.flocci.in/tool/trae-agent) — Free — Open-source CLI agent for general software-engineering tasks
- [txtai](https://aitools.flocci.in/tool/txtai) — Free — All-in-one embeddings database for semantic search, LLM orchestration and workflows
- [Vanna AI](https://aitools.flocci.in/tool/vanna-ai) — Free — Fully open-source text-to-SQL agent, self-hostable with no vendor lock-in
- [WeKnora (Tencent)](https://aitools.flocci.in/tool/weknora-tencent) — Free — Turns raw documents into a queryable RAG knowledge base with agent mode
- [a0.dev](https://aitools.flocci.in/tool/a0-dev) — Freemium — Real-time AI agent that writes/edits a mobile app as you describe it
- [Amazon PartyRock](https://aitools.flocci.in/tool/amazon-partyrock) — Freemium — Describe an app and PartyRock builds widgets chained to Amazon Bedrock foundation models
- [Amazon Q Developer](https://aitools.flocci.in/tool/amazon-q-developer) — Freemium — AWS-savvy coding assistant and agents
- [Base44](https://aitools.flocci.in/tool/base44) — Freemium — Zero-config: DB, auth and hosting handled
- [Bolt.new](https://aitools.flocci.in/tool/bolt-new) — Freemium — Prompt to a live full-stack app in the browser
- [Chef (Convex)](https://aitools.flocci.in/tool/chef-convex) — Freemium — AI app builder that generates a real transactional backend (Convex), not just a frontend
- [Chroma](https://aitools.flocci.in/tool/chroma) — Freemium — Fully open-source embedded/self-hosted vector store, the default choice bundled into countless RAG tutorials and frameworks
- [CodeRabbit](https://aitools.flocci.in/tool/coderabbit) — Freemium — Agentic AI reviews on PRs and CLI with automated one-click fix suggestions
- [Context7](https://aitools.flocci.in/tool/context7) — Freemium — MCP server that injects current, version-accurate library docs straight into AI coding agents' context
- [Convai](https://aitools.flocci.in/tool/convai) — Freemium — Mature Unity and Unreal Engine plugins for embodied conversational NPCs (sight, hearing, dialogue, gesture)
- [Emergent](https://aitools.flocci.in/tool/emergent) — Freemium — Conversational agents design, code AND deploy an app end-to-end in one flow
- [Freebuff](https://aitools.flocci.in/tool/freebuff) — Freemium — Terminal coding agent that needs no API key, subscription or card; funded by small text ads shown in the CLI
- [GitHub Copilot](https://aitools.flocci.in/tool/github-copilot) — Freemium — The most widely used AI pair programmer
- [Google Jules](https://aitools.flocci.in/tool/google-jules) — Freemium — Async coding agent that fixes issues & PRs
- [Google Stitch](https://aitools.flocci.in/tool/google-stitch) — Freemium — Turns prompts, sketches and screenshots into high-fidelity UI screens and front-end code
- ... and 49 more — see the full list on the page.
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Source: Flocci AI Tools — https://aitools.flocci.in/best/best-code-development-tools

Facts last verified: October 2026