27 tools matching “free-api”
NocoDB
A free, self-hostable Airtable alternative — turn any database into a smart spreadsheet with APIs and automations.
docker run -d -p 8080:8080 nocodb/nocodb
AI ToolsOpen sourceActive65.5K
WeKnora
Tencent's open-source LLM knowledge platform — turn team docs into a queryable RAG base with cited answers.
git clone https://github.com/Tencent/WeKnora.git
AI ToolsOpen sourceActive36.9K
Hoppscotch
Open-source API development ecosystem — REST, GraphQL, WebSocket, SSE, MQTT — in the browser, desktop, CLI or self-hosted.
docker compose up
AI ToolsFreemiumActive80.8K
Bruno
Offline-first, Git-native API client (REST, GraphQL, gRPC, WebSocket). Collections are plain-text .bru files — no cloud.
brew install bruno
AI ToolsFreemiumActive48.3K
Docker MCP Gateway
Run MCP servers as isolated Docker containers from the signed catalog, behind one gateway endpoint. Needs Docker.
docker mcp gateway run --catalog <catalog>
MCP ServersOpen sourceActive1.6K
Tavily MCP
Production-ready MCP server for real-time web search, extraction, site mapping and crawling. Needs a Tavily API key.
https://mcp.tavily.com/mcp/?tavilyApiKey=<key>
MCP ServersFreemiumActive2.5K
Firecrawl MCP Server
Firecrawl's context API for MCP clients: search, scrape, crawl, map, parse PDFs and more — 29 tools in one server.
https://mcp.firecrawl.dev/v2/mcp
MCP ServersFreemiumActive7.8K
GitMCP
Turns any GitHub repo into a remote MCP documentation hub, so agents get up-to-date docs instead of hallucinating APIs.
https://gitmcp.io/<owner>/<repo>
MCP ServersOpen source8.5K
Claude Code Action
Anthropic's official GitHub Action — Claude Code answers @claude mentions, reviews PRs, implements fixes and triages issues in your repos.
/install-github-app
Agents & AutomationOpen sourceActive9.9K
Cal.diy
Cal.com's open edition: self-hosted scheduling with booking links, calendar sync and 100+ integrations — MIT, free.
git clone https://github.com/calcom/cal.diy.git
AI ToolsOpen sourceActive49.8K
Open Higgsfield
Free self-hosted studio fronting 38 AI image and video models via your own Higgsfield key — pay-per-use generation.
git clone https://github.com/wide-trace/open-higgsfie…
Video GenerationFreemium5.5K
OpenSEO
Open-source SEO platform: keyword research, rank tracking, backlinks, audits and AI visibility — self-hosted, MCP-ready.
docker compose up -d
AI ToolsOpen sourceActive26.9K
VoiceStudio
On-device voice cloning, TTS, dubbing and dictation in 646 languages — free, no account.
curl -fsSL https://voicestudio.sh/install | sh
AI ToolsOpen sourceActive105.3K
Claude Octopus
A Claude Code plugin for multi-model orchestration: the same task runs across providers, with a 75% consensus gate flagging disagreements.
claude plugin marketplace add https://github.com/nyld…
Claude SkillsOpen sourceActive4.4K
Google ARTEMIS
Google's open-source tool that turns natural-language instructions into Android automation on a real phone or emulator over ADB.
git clone https://github.com/google/artemis.git && cd…
MCP ServersOpen source17.1K
Folklore MCP
Genomic evidence MCP — variant classification, gene profiles and literature, free to query
MCP ServersFreemiumActive1
KnowYourML
Free reading room for machine-learning research, with AI-written briefs and cited sources
Learning & ResourcesFreemium
Tokenrip
Shared workspace your AI agents work from
Agents & AutomationFreemium