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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductorArc
CapCutGrok BotSuperhumanDiscordAirtableDatadogMuseRailway

Featured

CleanYourTV

Alternative toATV Launcher Pro

Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

  • 57,122 GitHub stars
  • MIT LicenseLicence MIT License

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,987 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Buzz

Alternative toSlack

Self-hosted team chat where people and AI agents work together

  • 37,256 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 210,388 GitHub stars

SnitchFeed

Sponsored

Live monitoring on LinkedIn, X, Reddit & more. Agentic social listening for startups.

Marketing & Growth

rakazo

Sponsored

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 7,869 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Hermes Agent

Alternative toGrok Bot

Self-hosted AI agent: persistent memory, multi-channel chat, model choice.

  • 262,494 GitHub stars
  • MITLicence MIT
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 112,979 GitHub stars
  • MITLicence MIT
  • #AI Agents

Nuphos

Sponsored

Alternative toConductor

Agent workspace for teams running Claude Code or Codex

  • 529 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 64,214 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

It's a Plan

Alternative toLinear

Self-hosted issue tracker where people and AI agents share one board.

  • 2,299 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Jade Hosting

Sponsored

Zero-configuration full stack deploy in any language

Cloud & Hosting

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 111,579 GitHub stars
  • MITLicence MIT
  • #AI Agents

OpenClaw

Alternative toMuse

Self-hosted AI assistant for WhatsApp, Telegram, and more

  • 394,399 GitHub stars
  • MITLicence MIT
  • #AI Agents

Spotifast

Alternative toSpotify Premium

Spotify, native and fast, for Linux, macOS, and Windows.

  • 10,268 GitHub stars
  • MITLicence MIT
  • #macOS

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

AI-powered reverse engineering for binaries, apps, and assemblies.

  • 450,612 GitHub stars
  • MITLicence MIT

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 424 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

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Trending open source projects this week

The projects gaining the most GitHub stars in the last seven days.

As of 14 Nov 2026

  1. 0101+43,554 stars this week

    Sentry

    Real-time error tracking with performance monitoring and traces

    Alternative toRollbar

    Alternative toRollbar

    +43,554 stars this week45,773 GitHub stars
  2. 0202+19,525 stars this week

    REA (Reverse Engineer Anything)

    Featured

    AI-powered reverse engineering for binaries, apps, and assemblies.

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +19,525 stars this week457,878 GitHub stars
  3. 0303+12,829 stars this week

    Astryx

    Agent-ready React design system with 150+ accessible components.

    Alternative toMUI X

    Alternative toMUI X

    +12,829 stars this week27,473 GitHub stars
  4. 0404+10,476 stars this week

    Sherlock

    OSINT username search across 400+ networks, self-hosted.

    Alternative toOSINT Industries

    Alternative toOSINT Industries

    +10,476 stars this week111,224 GitHub stars
  5. 0505+3,089 stars this week

    Modern Web Guidance Src

    Modern web platform skills for AI coding agents

    InDeveloper Tools

    InDeveloper Tools

    +3,089 stars this week4,971 GitHub stars
  6. 0606+7,157 stars this week

    Misterdownloadmanager

    Free IDM alternative in Rust, with torrents and video downloads.

    Alternative toInternet Download Manager

    Alternative toInternet Download Manager

    +7,157 stars this week9,010 GitHub stars
  7. 0707+9,745 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +9,745 stars this week59,694 GitHub stars
  8. 0808+7,766 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +7,766 stars this week71,989 GitHub stars
  9. 0909+7,060 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +7,060 stars this week323,891 GitHub stars
  10. 1010+7,051 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +7,051 stars this week110,049 GitHub stars

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open source alternative guides

Long, ranked guides to open source software alternatives, each reviewed and dated by our editors.

Browse all 16 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode225,912 GitHub stars
  2. 2oh-my-pi38,960 GitHub stars
  3. 3kilocode27,942 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift424 GitHub stars
  2. 2OpenProject17,347 GitHub stars
  3. 3Plane62,419 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,707 GitHub stars
  2. 2AFFiNE74,510 GitHub stars
  3. 3Outline41,264 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,606 GitHub stars
  2. 2Rocket.Chat46,505 GitHub stars
  3. 3Zulip26,223 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,561 GitHub stars
  2. 2OpenProject17,347 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy38,363 GitHub stars
  2. 2VoiceInk7,118 GitHub stars
  3. 3FluidVoice12,962 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

13 ranked · reviewed 9 Nov
  1. 1Orca124,416 GitHub stars
  2. 2T3 Code56,101 GitHub stars
  3. 3Nuphos529 GitHub stars
Read the Conductor guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,775 GitHub stars
  2. 2Floorp8,492 GitHub stars
  3. 3Brave3,775 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat17,129 GitHub stars
  2. 2OpenCut97,869 GitHub stars
  3. 3Shotcut15,653 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo7,869 GitHub stars
  2. 2OpenMausBot20,910 GitHub stars
  3. 3OpenBot11,400 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,987 GitHub stars
  2. 2Macro6,308 GitHub stars
  3. 3Mailspring18,001 GitHub stars
Read the Superhuman guide →

Discord open source alternatives

11 ranked · reviewed 13 Nov
  1. 1Stoat3,464 GitHub stars
  2. 2Fluxer10,850 GitHub stars
  3. 3Element13,659 GitHub stars
Read the Discord guide →

Popular and new self-hosted open source projects

The most starred open source alternatives to paid software, then the newest additions. Each one is free to install or self-host.

Browse recently added projects

rtk

Alternative toTokenade

CLI proxy that removes 89% of agent context noise on average

  • 86,152 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #CLI

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 85,306 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

deer-flow

Alternative toManus

Build super agents with DeerFlow's powerful framework

  • 85,229 GitHub stars
  • MITLicence MIT
  • #LLM

LobeHub

Alternative toRelevance AI

AI agent team operator with IM gateway and persistent memory.

  • 84,888 GitHub stars
  • CustomLicence Apache-2.0 with LobeHub Community License additional terms
  • #AI Agents

MinerU

Alternative toLlamaParse

Document parsing for LLM workflows, OCR, and agent reading.

  • 83,519 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

hyperframes

Alternative toRemotion

Turn HTML and CSS into rendered MP4 videos, built for AI agents.

  • 82,479 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

career-ops

Alternative toAIApply

AI job search agent that scores listings and tailors CVs locally.

  • 81,821 GitHub stars
  • MITLicence MIT

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 81,636 GitHub stars
  • MITLicence MIT
  • #AI Agents

Netdata

Alternative toDatadog

Real-time infrastructure monitoring with zero configuration

  • 81,402 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Monitoring

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 81,152 GitHub stars
  • MITLicence MIT

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,800 GitHub stars
  • MITLicence MIT
  • #API Client

Code Server

Alternative toGitHub Codespaces

VS Code in the browser, self-hosted, with no per-seat pricing.

  • 79,854 GitHub stars
  • MITLicence MIT

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 79,596 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 79,570 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Talos

NEW

InDevOps & CI/CD

Immutable Linux OS for Kubernetes, API-only with no SSH access.

  • 11,521 GitHub stars
  • MPL-2.0Licence MPL-2.0
  • #Kubernetes

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 79,516 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 79,300 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Rerun

NEW

Alternative toFoxglove

Log, visualize, and query multimodal physical AI data.

  • 11,791 GitHub stars
  • Apache-2.0Licence Apache-2.0

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 78,707 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,876 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

Rea Video

NEW

InAI & Machine Learning

Video reverse-engineering CLI that runs inside AI coding assistants.

  • 7,991 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,405 GitHub stars
  • #Database

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 77,347 GitHub stars
  • MITLicence MIT

Bazzite

NEW

Alternative toWindows 11

Gaming Linux OS with atomic updates and Steam pre-installed.

  • 9,345 GitHub stars
  • Apache-2.0Licence Apache-2.0

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,512 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 75,339 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Gentle Ai

NEW

InAI & Machine Learning

Memory, workflow and review for the AI agents you already use.

  • 9,133 GitHub stars
  • MITLicence MIT

strix

Alternative toXBOW

Autonomous AI pentesting with proof-of-exploit and auto-fix PRs.

  • 74,914 GitHub stars
  • Apache-2.0Licence Apache-2.0

Mole

Alternative toCleanMyMac X

Free CLI and native app for Mac cleanup, uninstall, and disk analysis

  • 74,762 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Veyra-NRVideo

NEW

Alternative toTopaz Video AI

GPU video enhancement with AI super resolution and frame generation

  • 1,618 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Video

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 74,716 GitHub stars
  • MITLicence MIT

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 74,510 GitHub stars
  • MITLicence MIT

ytm-rs

NEW

Alternative toSpotify

YouTube Music client in Rust, with karaoke lyrics and 30 themes.

  • 193 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Video

Strapi

Alternative toContentful

Headless CMS with auto-generated REST and GraphQL for any content model.

  • 73,480 GitHub stars
  • MITLicence MIT

Cline

Alternative toGitHub Copilot

VS Code AI agent that plans and edits across your entire project

  • 71,595 GitHub stars
  • Apache-2.0Licence Apache-2.0

Llama.cpp

NEW

Alternative toOpenAI API

C/C++ LLM inference engine with OpenAI-compatible API, no cloud.

  • 134,560 GitHub stars
  • MITLicence MIT
  • #LLM

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 70,693 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

daily_stock_analysis

Alternative toSeeking Alpha Premium

AI-driven stock analysis for A, HK, and US markets

  • 69,649 GitHub stars
  • MITLicence MIT
  • #LLM

mRemoteNG

NEW

Alternative toDevolutions Remote Desktop Manager

Tabbed multi-protocol remote connections manager for Windows

  • 11,219 GitHub stars
  • GPL-2.0Licence GPL-2.0

Openinterpreter

Alternative toClaude Code

Coding agent for low-cost open models with Codex compatibility

  • 68,867 GitHub stars
  • Apache-2.0Licence Apache-2.0
Browse all 1,241 open source alternatives

Open source software by category

21 categories of self-hosted open source software, including Developer Tools, AI and Machine Learning, and Business and Productivity.

Browse all 21 categories
639

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers533

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw298

Business & Productivity

OpenClaw, Excalidraw, RustDesk217

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers192

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Sherlock167

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw159

IT Management

Immich, RustDesk, Stirling PDF135

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown133

Design & Creative

ComfyUI, Excalidraw, Godot Engine133

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata132

Cloud & Hosting

dify, RuView, OmniRoute126

Product & Project Management

agency-agents, freeCodeCamp, Gstack120

Data & Analytics

Firecrawl, ragflow, Worldmonitor92

APIs & Integration

n8n, Firecrawl, iptv87

Backend Development

graphify, dify, Rust77

Databases & Storage

Supabase, Immich, Redis75

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish49

Web & App Development

Flutter, Rust, Angular40

No-Code & Low-Code

Langflow, n8n, dify38

Finance & Fintech

TradingAgents, MiroFish, OpenBB33

Customer Support

Twenty, agency-agents, iptv

Articles on open source software

Browse the blog
17 Oct 2026

Best Open Source AI Video Generators in 2026: 8 Compared

I compared 8 open source AI video generators, from raw model weights in ComfyUI and Wan2.2 to finished-short pipelines in MoneyPrinterTurbo.

15 May 2026

The Best Open Source AI Tools You Can Run on Your Own Hardware

Stop paying per token. These open source AI models and tools run entirely on your own hardware: no API keys, no data leaving your server, no monthly bills that scale with usage.

15 May 2026

Best Open Source Git Hosting Platforms for Self-Hosted Teams

GitHub lock-in is real. These open source git hosting platforms let you self-host repositories, CI/CD, and code review on your own server.

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Find open source alternatives to paid software

/
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Discord to Stoat
  • Airtable to AITable
  • Datadog to SigNoz
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • 1Password to KeePassXC
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Asana to Leantime
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Discord to Stoat
  • Airtable to AITable
  • Datadog to SigNoz
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • 1Password to KeePassXC
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Asana to Leantime