OpenAltFinder

Open Source Software Alternatives

Browse free, self-hostable alternatives to popular proprietary tools.

Mindwtr

Mindwtr

Open-source Getting Things Done (GTD) app for desktop and mobile — capture every task, then focus on the next action.

Alternative to:
TodoistTodoist
PocketBase

PocketBase

Open source realtime backend in a single file — SQLite, auth, file storage, and admin UI in one Go binary.

Alternative to:
FirebaseFirebase
Dawarich Atlas

Dawarich Atlas

Self-hostable OpenStreetMap stack with search, routing, POIs, and transit — a privacy-first Google Maps Platform alternative that runs on your own hardware.

Alternative to:
Google MapsGoogle Maps
Quillpad

Quillpad

A free, open-source Android app for markdown notes and task lists with reminders, file attachments, and optional Nextcloud sync.

Alternative to:
Google KeepGoogle Keep
WolfCut

WolfCut

An open-source desktop video editor that mirrors the CapCut workflow without watermarks, paywalls, or account requirements.

Alternative to:
CapCutCapCut
AI-assisted
Meelo

Meelo

Self-hosted music server focused on metadata integration and UI, with music videos as first-class citizens and mobile apps for Android and iOS.

Alternative to:
SpotifySpotify
BookOrbit

BookOrbit

Self-hosted library and reading platform for ebooks, audiobooks, PDFs, and comics with built-in web readers and Kobo/KOReader sync.

Alternative to:
AudibleAudible
TeamPass

TeamPass

Self-hosted collaborative password manager for teams. Organize and share credentials with role-based access control.

Alternative to:
1Password1Password
PearPass

PearPass

Privacy-first, peer-to-peer password manager with end-to-end encryption and no central servers.

Alternative to:
1Password1Password
Keeweb

Keeweb

Free cross-platform password manager compatible with KeePass, available as a desktop and web app.

Alternative to:
1Password1Password
Unsloth

Unsloth

Open-source platform for fine-tuning and running LLMs locally — 2x faster training with 70% less VRAM. Supports LoRA, QLoRA, DPO, GRPO.

Alternative to:
LM StudioLM Studio
AFFiNE

AFFiNE

Open-source knowledge base combining note-taking, whiteboard, and project planning in one workspace.

Alternative to:
NotionNotion
4gaBoards

4gaBoards

Straightforward realtime kanban boards for intuitive task tracking with dark mode and collaborative features.

Alternative to:
TrelloTrello
SuperTuxKart

SuperTuxKart

A free, open-source kart racing game featuring Tux and friends, with single-player, multiplayer, and online modes.

Alternative to:
Mario KartMario Kart
SuperTux

SuperTux

A classic open-source side-scrolling platformer starring Tux the penguin, inspired by the original Super Mario games.

Alternative to:
Super MarioSuper Mario
Tinyauth

Tinyauth

The tiniest OpenID Certified self-hosted authentication and authorization server, with OAuth, OIDC, LDAP, 2FA, and Traefik/Nginx/Caddy middleware support.

Alternative to:
Auth0Auth0
Baserow

Baserow

Baserow is an open source no-code database and Airtable alternative. Create your own database without technical experience. Our user friendly no-code tool gives you the powers of a developer without leaving your browser.

Alternative to:
AirtableAirtable
Worklog

Worklog

Local-first desktop project manager for small dev teams with Kanban workflow and zero cloud dependency.

Alternative to:
TrelloTrello
Windshift

Windshift

Self-hosted work management platform combining task tracking, workflow automation, and team collaboration in a single deployable app.

Alternative to:
AsanaAsana
Wealthfolio

Wealthfolio

A beautiful, private, local-first personal finance tracker for investments, net worth, spending, and simulations.

Alternative to:
EmpowerEmpower
WollyCMS

WollyCMS

Self-hosted, open-source headless CMS built specifically for Astro.js with a block-based page builder.

Alternative to:
ContentfulContentful
Ghostfolio

Ghostfolio

Open-source wealth management software to track stocks, ETFs, cryptocurrencies, and your overall net worth.

Alternative to:
EmpowerEmpower
Garage

Garage

S3-compatible distributed object storage designed for small self-hosted geo-distributed deployments, built in Rust.

Alternative to:
MinIOMinIO
Flink

Flink

A zero-config, FOSS URL shortener with QR code generation and OpenTelemetry support, built in ASP.NET Core.

Alternative to:
BitlyBitly
FableCut

FableCut

A browser-based video editor built for humans and AI agents. Edit with a drag-and-drop UI, a JSON timeline, MCP tools, or its REST API.

Alternative to:
Adobe Premiere ProAdobe Premiere Pro
Meerkat CRM

Meerkat CRM

Self-hosted personal CRM for tracking contacts, relationships, birthdays, and reminders, built with Go and React.

Alternative to:
ClayClay
Endless Sky

Endless Sky

A 2D space exploration, trading, and combat game inspired by the classic Escape Velocity series.

Alternative to:
Escape VelocityEscape Velocity
Dub

Dub

The open-source link attribution platform for short links, conversion tracking, and affiliate programs.

Alternative to:
BitlyBitly
Dokku

Dokku

Docker-powered PaaS implementing the Heroku git-push workflow on your own server.

Alternative to:
VercelVercel
Dawarich

Dawarich

Self-hostable alternative to Google Maps Timeline for tracking and visualizing your location history.

Alternative to:
Google Maps TimelineGoogle Maps Timeline
CometCMS

CometCMS

Headless, simple CMS with a PHP backend and a convenient Vue admin frontend.

Alternative to:
ContentfulContentful
Chevereto

Chevereto

Self-hosted image and video hosting platform. Build your own Flickr or Imgur-style media sharing site.

Alternative to:
FlickrFlickr
Chatto

Chatto

A self-hosted chat application for teams and communities with video calls, voice calls, and screen sharing.

Alternative to:
SlackSlack
Cataclysm-DDA

Cataclysm-DDA

A deep, turn-based open-world survival game set in a post-apocalyptic world ravaged by zombies and catastrophe.

Alternative to:
Project ZomboidProject Zomboid
CapRover

CapRover

CapRover is a scalable self-hosted PaaS with one-click apps, Docker Swarm clustering, automatic TLS, and a friendly web UI for deploying apps and databases in seconds.

Alternative to:
VercelVercel
tududi

tududi

Self-hosted task management that combines personal todo lists with powerful project organization. Built for individuals and teams who value privacy and control.

Alternative to:
TodoistTodoist
Kamal

Kamal

CLI deployment tool from 37signals for zero-downtime Docker container deployments.

Alternative to:
VercelVercel
Hurl

Hurl

Run and test HTTP requests with plain text — a simple yet powerful command-line tool for API testing.

Alternative to:
PostmanPostman
HS5

HS5

High-performance single-node S3-compatible object storage focused on scale-up performance, built in C++.

Alternative to:
MinIOMinIO
Hound

Hound

A self-hosted media server for watching, tracking, and managing movies and TV shows with P2P streaming support.

Alternative to:
PlexPlex
LibreSpeed

LibreSpeed

Self-hosted speed test with easy setup, supports PHP and Node.js backends, mobile-friendly, and highly configurable.

Alternative to:
Speedtest by OoklaSpeedtest by Ookla
Open Code Review

Open Code Review

Battle-tested AI code review agent with deterministic pipelines + LLM, fine-tuned security rules, and line-level comments.

Alternative to:
GitHub CopilotGitHub Copilot
Warp

Warp

An agentic development environment built on a modern Rust terminal emulator with AI-powered coding features.

Alternative to:
macOS TerminalmacOS Terminal
Scrambled Exif

Scrambled Exif

Android app that removes EXIF metadata from photos via the share menu before sharing.

Alternative to:
MetaphoMetapho
S4Core

S4Core

High-performance Rust-based S3-compatible object storage with deduplication, SQL queries, and federation.

Alternative to:
MinIOMinIO
Ryot

Ryot

Self-hosted tracker for media consumption and fitness, with imports from Trakt, Goodreads, MyAnimeList, Plex, Jellyfin and more.

Alternative to:
TraktTrakt
Voiden

Voiden

Design, test and document APIs in plain Markdown with a git-native, offline-first approach.

Alternative to:
PostmanPostman
Rotki

Rotki

An open-source, self-hosted portfolio tracking, analytics, accounting, and management application that protects your privacy.

Alternative to:
EmpowerEmpower
RustFS

RustFS

High-performance S3-compatible object storage built in Rust, 2.3x faster than MinIO with Apache 2.0 licensing.

Alternative to:
MinIOMinIO
Relaticle

Relaticle

Open-source CRM with native AI agent support, 30 MCP tools, REST API, and self-hosting capabilities.

Alternative to:
SalesforceSalesforce
Tachyon Transcripts

Tachyon Transcripts

100% local Windows meeting transcription tool with real-time captions, speaker diarization, and offline Whisper processing.

Alternative to:
Otter.aiOtter.ai
Showing 511 - 561 of 614 projects