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Thoughtful open-source alternatives for the software you use every day.

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Independently curated. Comparisons describe overlapping use cases.

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AI

Curated open-source alternatives to the software you already use.

⌘ K
54 apps to explore

OpenMausBot

AI · Self-hosted

Open-source Grok Bot alternative with a virtual machine that bots can use

ReplacesChatGPT

5.3K

rea

AI

Reverse engineer anything with agents, from app behavior down to native binaries.

ReplacesChatGPT

324.6K

OpenViking

AI · Self-hosted

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

Open SourceAI

40.2K

systemprompt

AI · Self-hosted

Self-owned AI control plane: governance gateway for Claude, OpenAI, and Gemini with policy checks, audit trails, rate limits, and MCP orchestration. Requires at least one AI provider API key.

Open SourceAI

29

Sim

AI · Self-hosted

Open-source visual workflow builder for building and deploying AI agent workflows.

Open SourceAI

29.8K

Prozesswerk

AI · Self-hosted

Describe business processes in plain language and get editable BPMN 2.0 diagrams. Self-hosted and model-agnostic — works with any OpenAI-compatible LLM.

ReplacesMiro

0

Orca Server

AI · Self-hosted

Headless Orca runtime: run a fleet of parallel coding agents in isolated git worktrees on your server and drive them from the Orca desktop, web or mobile app.

Open SourceAI

95.6K

OpenLivery

AI · Self-hosted

MIT-licensed WhatsApp AI agents for agencies, with separate client workspaces and branded portals in one self-hosted installation

ReplacesSlack

68

OpenDots

AI · Self-hosted

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

5.5K

Open Fiesta

AI · Self-hosted

Open Fiesta is an open-source AI chat and inference UI, supporting multiple backends such as OpenRouter, Gemini, and Ollama.

ReplacesSlack

6

OmniRoute

AI · Self-hosted

The Free AI Gateway - Never stop coding. Connect every AI tool to 177 providers — 50+ free — through one endpoint. Auto-fallback. RTK + Caveman compression saves 15–95% tokens. Never hit limits. ~1.9B+ documented free tokens/month — up to ~2.5B in your first month with signup credits.

ReplacesDatadog

77.8K

Ollama Chat Tone

AI · Self-hosted

Self-contained Ollama chat client with local auth, streaming responses, and per-user conversations.

ReplacesPlex

0

Obscura Browser

AI · Self-hosted

Headless browser for AI agents with authenticated remote MCP and Chrome DevTools Protocol endpoints.

Open SourceAI

29K

Multica

AI · Self-hosted

Multica is an open-source managed agents platform for teams. Assign tasks to AI coding agents (Claude Code, Codex, OpenClaw and more) that execute autonomously, report progress, and build reusable skills over time.

ReplacesSlack

53.1K

Moltbot

AI · Self-hosted

WhatsApp gateway CLI with Pi RPC agent - self-hosted AI-powered messaging platform

ReplacesSlack

392.3K

LiteLLM

AI · Self-hosted

LiteLLM is a lightweight OpenAI API-compatible proxy for managing multiple LLM providers with a single endpoint.

ReplacesDatadog

61.5K

LibreChat

AI · Self-hosted

LibreChat is the ultimate open-source app for all your AI conversations, fully customizable and compatible with any AI provider (Openai, Ollama, Google etc.) — all in one sleek interface.

ReplacesChatGPT

45.9K

Langfuse

AI · Self-hosted

Langfuse is an open-source LLM engineering platform for tracing, prompt management, evaluation, and cost/usage analytics of LLM applications.

ReplacesDatadog

36K

Langflow

AI · Self-hosted

Langflow is a low-code app builder for RAG and multi-agent AI applications. It's Python-based and agnostic to any model, API, or database.

Open SourceAI

155.8K

Kokoro Web

AI · Self-hosted

Kokoro Web provides an interface for text-to-speech using advanced AI voice synthesis. It allows model caching and API integration with authentication.

Open SourceAI

754

Kokoro TTS

AI · Self-hosted

Dockerized FastAPI wrapper for the Kokoro-82M text-to-speech model with multi-language support and OpenAI-compatible endpoints.

Open SourceAI

5.6K

KaraKeep

AI · Self-hosted

A self-hostable bookmark-everything app (links, notes and images) with AI-based automatic tagging and full text search. Previously known as Hoarder.

ReplacesNotion

29.7K

Junctio

AI · Self-hosted

Self-hosted MCP gateway that puts stdio, Docker and remote MCP servers behind one endpoint per client, with API key or OAuth downstream auth and upstream tokens refreshed before they expire.

ReplacesAuth0

2

Hoarder

AI · Self-hosted

Hoarder is an open source "Bookmark Everything" app that uses AI for automatically tagging the content you throw at it.

Open SourceAI

0

Showing 24 of 54 apps

Stars from GitHub · Oct 5, 2026. Comparisons describe overlapping use cases, not feature parity.