Find the best open source alternative
We curate open source tools that replace paid software. We manually review every listing for quality, active maintenance, and self-hosting support.
Get weekly updates on new open source tools
Coroot
Instant observability with no-code setup. Simplify incident resolution with a complete map of services (internal and external dependencies), metrics, log search, profiles, and traces. Self-hosted, Apache 2.0, and OTEL compatible.
Firecrawl
Firecrawl is an open source web scraping API for AI that converts any website into clean markdown or structured JSON, purpose-built for feeding LLMs and RAG pipelines. AGPL-3.0.
Scira
Scira is an open source AI search engine that retrieves cited, real-time answers from the web without storing your queries. A self-hostable alternative to Perplexity; MIT licensed.
VoxCPM
VoxCPM is an open-source, tokenizer-free multilingual TTS model supporting voice cloning, voice design, and 48kHz studio-quality output across 30 languages.
MarkItDown
MarkItDown is a lightweight Python utility for converting PDFs, Word docs, Excel files, images, audio, and more to Markdown for LLM pipelines.
Voicebox
Voicebox is an open-source, local-first voice synthesis studio for cloning voices, generating speech, and building voice-powered apps.
Node-RED
Low-code programming platform for building event-driven applications and automating workflows.
Godot Engine
Godot is a free and open-source game engine for 2D and 3D game development.
Automatisch
Open source workflow automation tool that serves as a Zapier alternative without coding.
Windmill
Windmill is an open source developer platform for running scripts, building internal tools, and orchestrating workflows in Python, TypeScript, Go, and SQL. AGPL licensed; self-host or use Windmill Cloud.
Stay Updated
Subscribe to our newsletter for the latest news and updates about Alternatives