Curated open-source alternatives to the software you already use.
Open-source Grok Bot alternative with a virtual machine that bots can use
ReplacesChatGPT
Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.
Open SourceAI
OpenSourcePOS is a web-based point of sale system for managing sales, inventory, customers, and reports.
Open SourceDeveloper Tools
OpenSEO is an open source, self-hosted alternative to Semrush and Ahrefs for keyword research, rank tracking, backlinks, and site audits.
ReplacesSemrush
The easiest using, powerful and beautiful OpenResty Manager (Nginx Enhanced Version) , open source alternative to OpenResty Edge, which can enable you to easily reverse proxy your websites with security running at home or internet, including Access Control, HTTP Flood Protection, Free SSL, without having to know too much about OpenResty or Let's Encrypt.
ReplacesOpenresty edge
Self-hosted accounting for French furnished rentals (LMNP): depreciation schedules, ready-to-file 2031/2033 tax forms, FEC export and Airbnb CSV import.
Open SourceFinance
MIT-licensed WhatsApp AI agents for agencies, with separate client workspaces and branded portals in one self-hosted installation
ReplacesSlack
Openinary is a self-hosted Cloudinary alternative.
Open SourceVideo
Take notes, plan tasks and track habits - free, ad-free, open source, with all data on your own server. Native apps for Windows, Linux, Android, iOS and macOS sync to it.
ReplacesNotion
OpenGist is a self-hosted pastebin alternative.
Open SourceDeveloper Tools
OpenDots is an open-source template from CopilotKit for always-on AI coworkers: specialist Dots with their own computer, a document workspace with Spaces and pages, chat, calls and Slack, built with CopilotKit and AG-UI.
ReplacesSlack
Open Analytics is an open-source, AI-native web analytics platform: realtime dashboards, funnels, visitor journeys, custom events, revenue analytics, and an MCP server for AI agents. Deploys the complete official self-hosted stack.
ReplacesGoogle Analytics
Open Fiesta is an open-source AI chat and inference UI, supporting multiple backends such as OpenRouter, Gemini, and Ollama.
ReplacesSlack
Open Journal Systems (OJS) is a journal management and publishing system that has been developed by the Public Knowledge Project through its federally funded efforts to expand and improve access to research.
Open SourceDeveloper Tools
Create, adapt, review, schedule and track social posts in one workspace.
ReplacesBuffer
A new chapter for the park you remember.
ReplacesRollerCoaster Tycoon 2
Classic strategy, brought into the present.
ReplacesCommand & Conquer: Red Alert
Build a transport network. Keep it growing.
ReplacesTransport Tycoon Deluxe
Compose a track, one pattern at a time.
ReplacesRenoise tracker workflows
Your store, with room to make it your own.
ReplacesShopify
Meet, share, and collaborate on your own server.
ReplacesZoom
A server for conversations on your own network.
ReplacesMicrosoft Teams chat infrastructure
A calmer way to organize an assembly.
ReplacesAssembly Voting
Bring your smart home together.
ReplacesSamsung SmartThings
Showing 24 of 65 apps
Stars from GitHub · Oct 5, 2026. Comparisons describe overlapping use cases, not feature parity.
