Top trending open-source startups in 2024

Annual ROSS Index featuring top open-source startups ranked by absolute growth in GitHub stars for their repositories during 2024. All descriptions below are based on publicly available data and were accurate as of the end of 2024.
  1. 🇨🇦 Ollama (ollama/ollama, 105.1K stars, 76.1new stars). develops a local inference platform for running LLMs like Llama 3.3 and DeepSeek-R1. Founded in 2021 in Toronto, Canada. Raised $0.5M from Essence, Rogue, Sunflower, Y Combinator.
  2. 🇺🇸 Zed Industries (zed-industries/zed, 52.1K stars, 52.1new stars). offers Zed code editor designed for high-performance collaboration with humans and AI. Founded in 2021 in San Francisco. Raised $12.5M from Root, Redpoint, etc.
  3. 🇺🇸 Langgenius (langgenius/dify, 56.7K stars, 43.4new stars). is an LLM app development platform that orchestrates apps from agents to complex AI workflows. Founded in 2023 in New York. Raised $1.4M from 5Y, Alibaba Cloud Computing, VCshare, China Growth, Delian.
  4. 🇺🇸 ComfyUI (comfyanonymous/comfyui, 61.9K stars, 40.9new stars). is a node-based application for generating images, videos, and audio using generative AI models. Founded in 2024 in San Francisco.
  5. 🇺🇸 All Hands (all-hands-ai/openhands, 39.6K stars, 39.6new stars). is a state-of-art software development AI agent. Founded in 2024 in Boston. Raised $5M from Rebellion, Menlo, Betaworks, Pillar, etc.
  6. 🇨🇳 LobeHub (lobehub/lobe-chat, 50.5K stars, 36.0new stars). is a LLM chat framework that supports different AI providers, multimodality and RAG. Founded in 2023 in Hangzhou, China.
  7. 🇬🇧 Stirling PDF (stirling-tools/stirling-pdf, 48.2K stars, 34.7new stars). is a locally hosted web app for editing, converting, and managing PDF files. Founded in 2024 in United Kingdom.
  8. 🇺🇸 Maybe Finance (maybe-finance/maybe, 34.7K stars, 34.7new stars). offers financial tools and insights for smarter investments. Founded in 2021 in Birmingham, AL. Raised $2.46M from Attach, Calm Company, Invicta, Bay Wharf, Bicoastal, etc.
  9. 🇺🇸 Astral (astral-sh/uv, 34.1K stars, 34.1new stars). offers UV, an extremely fast Python package and project manager. Founded in 2023 in New York. Raised $4M from Accel, Base Case Capital, Caffeinated, etc.
  10. 🇺🇸 Screenshot to Code (abi/screenshot-to-code, 66.3K stars, 33.7new stars). converts design screenshots into code, simplifying front-end development. Founded in 2023 in New York.
  11. 🇺🇸 MyShell (myshell-ai/openvoice, 30.3K stars, 29.7new stars). offers OpenVoice, an instant, multilingual voice cloning tool with fine-grained control over style and emotion. Founded in 2023 in San Francisco. Raised $16.8M from Dragonfly, INCE Capital, etc.
  12. 🇨🇦 Fuel (fuellabs/fuel-core, 57.8K stars, 28.3new stars). is a high-performance Ethereum layer-2 rollup, designed for home verification and scalability. Founded in 2019 in Vancouver, Canada. Raised $81.5M from Blockchain Capital, Stratos Technologies, CoinFund, etc.
  13. 🇨🇭 Shardeum (shardeum/shardeum, 28.1K stars, 28.1new stars). is an EVM-based, linearly scalable smart contract platform. Founded in 2022 in Zug, Switzerland. Raised $23.6M from Blockchain Founders, Alpha, MH, TPC, etc.
  14. 🇨🇦 Puter (heyputer/puter, 27.2K stars, 27.2new stars). is an internet operating system . Founded in 2022 in Vancouver, Canada.
  15. 🇨🇿 Excalidraw (excalidraw/excalidraw, 88.4K stars, 27.0new stars). is a whiteboard in-browser tool that helps easily sketch diagrams in a hand-drawn style. Founded in 2020 in Brno, Czech Republic.
  16. 🇨🇳 RAGFlow (infiniflow/ragflow, 26.8K stars, 26.8new stars). is a RAG engine based on deep document understanding. Founded in 2023 in Shanghai, China.
  17. 🇸🇬 RustDesk (rustdesk/rustdesk, 78.3K stars, 25.9new stars). is a self-hosted remote desktop application. Founded in 2020 in Singapore.
  18. 🇭🇺 Coolify (coollabsio/coolify, 35.9K stars, 25.9new stars). is a self-hosted alternative to Heroku, Netlify, and Vercel. Founded in 2022.
  19. 🇺🇸 LangChain (langchain-ai/langchain, 97.2K stars, 24.7new stars). is a framework for building complex AI applications. Founded in 2023 in San Francisco. Raised $35M from Benchmark, Sequoia, etc.
  20. 🇸🇬 Jan (janhq/jan, 24.7K stars, 24.2new stars). lets users run and manage AI models directly on their PC. Founded in 2023 in Singapore.

Anyone with a featuring on Annual ROSS Index 2024 can add the badge to their own website to let site visitors know they are one of the fastest-growing open-source startups.

Visit ROSS Index to see the recent top open-source startups.