OpenAltFinder

Open Source Software Alternatives

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

Slidev

Slidev

Markdown-based presentation slides for developers, with code highlighting, Vue components, theming, and PDF/PPTX export.

Alternative to:
Microsoft PowerPointMicrosoft PowerPoint
SearXNG

SearXNG

A free internet metasearch engine which aggregates results from various search services without tracking or profiling users.

Alternative to:
Google SearchGoogle Search
Reitti

Reitti

Self-hosted location tracking and analysis with automatic visit detection, trip classification, Immich integration, and multi-user timeline support.

Alternative to:
Google Maps TimelineGoogle Maps Timeline
Swetrix

Swetrix

Privacy-first, cookie-less web analytics with speed monitoring and error tracking.

Alternative to:
Google AnalyticsGoogle Analytics
Sharkord

Sharkord

Self-hosted chat server with voice, video, text, and screen sharing — Discord-like features on your own infrastructure.

Alternative to:
DiscordDiscord
Forgejo

Forgejo

A community-driven self-hosted Git forge, forked from Gitea, focused on software freedom and federation.

Alternative to:
GitHubGitHub
APITable

APITable

API-oriented, open source Airtable alternative with database, dashboard, automation, and a no-code app builder.

Alternative to:
AirtableAirtable
Miniflux

Miniflux

Minimalist, opinionated RSS feed reader that is fast, lightweight, and written in Go — designed for long-term use.

Alternative to:
FeedlyFeedly
Mastodon

Mastodon

Decentralized social network server that federates with the broader Fediverse — run your own instance instead of relying on Twitter/X.

Alternative to:
TwitterTwitter
Open WebUI

Open WebUI

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Alternative to:
ChatGPTChatGPT
PeerTube

PeerTube

Federated, decentralized video hosting platform built on ActivityPub.

Alternative to:
YouTubeYouTube
Paca

Paca

AI-native open-source project management platform for Scrum and Kanban teams.

Alternative to:
JiraJira
OpenShots

OpenShots

Turn raw screenshots into polished, shareable visuals. Free, open-source, and completely offline with Tauri.

Alternative to:
TinyShotsTinyShots
Onyx

Onyx

Onyx is an open-source AI chat and enterprise search platform with RAG that works with every LLM. Bring your own model, connect your tools, and unify all your team's knowledge.

Alternative to:
GleanGlean
NocoDB

NocoDB

Free, self-hostable Airtable alternative that turns any database into a smart spreadsheet with APIs, automations, and views.

Alternative to:
AirtableAirtable
NetBird

NetBird

Self-hostable, zero-trust overlay network that combines a WireGuard-based mesh VPN with SSO, MFA, and granular access controls.

Alternative to:
Tailscale
OpenReplay

OpenReplay

Self-hostable session replay, cobrowsing, and product analytics platform that is a strong open source alternative to Hotjar and FullStory.

Alternative to:
HotjarHotjar
Raven

Raven

Simple, open source team messaging platform

Alternative to:
DiscordDiscord
Supabase

Supabase

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Alternative to:
FirebaseFirebase
SparkyFitness

SparkyFitness

Self-hosted fitness and health tracker for meals, workouts, water, sleep and body metrics, with family sharing and optional AI coaching.

Alternative to:
MyFitnessPalMyFitnessPal
Rocket.Chat

Rocket.Chat

Self-hosted team chat with channels, threads, voice and video calls, federation, plus desktop and mobile apps.

Alternative to:
SkypeSkype
Quiet

Quiet

Private, peer-to-peer Slack and Discord alternative built on Tor and IPFS that needs no servers and no accounts.

Alternative to:
SlackSlack
SilverBullet

SilverBullet

Self-hosted, programmable knowledge base: plain Markdown notes with live queries, backlinks, and an embedded Lua scripting runtime.

Alternative to:
NotionNotion
SelfPrivacy

SelfPrivacy

Free app that turns a Hetzner or DigitalOcean VPS into your own private cloud, deploying email, Nextcloud, VPN, and more from Android or desktop.

Alternative to:
DropboxDropbox
Openchangelog

Openchangelog

Self-hostable changelog website that renders your Markdown release notes from GitHub, GitLab, or Forgejo into a searchable product-updates site.

Alternative to:
HeadwayHeadway
AliasVault

AliasVault

Privacy-first password manager with built-in email aliasing. Fully encrypted and self-hostable.

Alternative to:
1Password1Password
Alexandrie

Alexandrie

Self-hosted knowledge base with extended Markdown editor, Kanban, OIDC/SSO, PWA and offline support.

Alternative to:
NotionNotion
Alarik

Alarik

High-performance S3-compatible object storage written in Swift, designed as a modern open alternative to MinIO.

Alternative to:
MinIOMinIO
AdGuard Home

AdGuard Home

Network-wide DNS-based ad and tracker blocker with parental controls, DNS rewrites, and detailed query logging.

Alternative to:
Pi-hole
Actual Budget

Actual Budget

Local-first, open-source budgeting app with envelope budgets, bank imports, custom reports and optional self-hosted sync — free, no lock-in.

Alternative to:
YNABYNAB
AI-assisted
Slink

Slink

Self-hosted image sharing service with gallery support.

Alternative to:
ImgurImgur
Vaultwarden

Vaultwarden

Vaultwarden is an unofficial, Bitwarden-compatible server written in Rust. Self-host your password vault with low resource use and full compatibility with all Bitwarden clients.

Alternative to:
1Password1Password
Vince

Vince

Self Hosted Alternative To Google Analytics

Alternative to:
Google AnalyticsGoogle Analytics
Vemetric

Vemetric

Simple, yet powerful Web- & Product Analytics.

Alternative to:
Google AnalyticsGoogle Analytics
Twake Drive

Twake Drive

The open-source alternative to Google Drive.

Alternative to:
Google DriveGoogle Drive
Rowboat

Rowboat

Open-source desktop AI coworker with a living knowledge graph, built-in email, browser, meeting notes, and code mode.

Alternative to:
NotionNotion
Buku

Buku

Privacy-focused, command-line bookmark manager that stores links in a local encrypted SQLite database with full-text search.

Alternative to:
PinboardPinboard
BudgetBee

BudgetBee

Self-hosted personal finance manager with budgets, expense tracking, net-worth reports, bank imports and auto-categorisation — all in Docker.

Alternative to:
MintMint

Budget Board

Self-hosted budgeting app for tracking accounts, spending, and financial goals, with bank syncing via SimpleFIN and ML-powered auto-categorization.

Alternative to:
MintMint
Bruno

Bruno

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Alternative to:
PostmanPostman
Rybbit

Rybbit

Privacy-friendly, open-source web analytics platform that is a simpler alternative to Google Analytics.

Alternative to:
Google AnalyticsGoogle Analytics
Syncthing

Syncthing

Continuous file synchronization program that syncs files directly between your devices — no cloud required.

Alternative to:
DropboxDropbox
TimeTracker

TimeTracker

A robust, self-hosted time tracking application designed for teams and freelancers who need reliable time management without cloud dependencies. Built with Flask and optimized for Raspberry Pi deployment, TimeTracker provides persistent timers, comprehensive reporting, and a modern web interface.

Alternative to:
TogglToggl
Trezur

Trezur

Fast, secure, light-weight web-app to generate TOTP and HOTP tokens.

Alternative to:
Google AuthenticatorGoogle Authenticator
Toofer

Toofer

Toofer is a local-first, web-based two-factor authentication app that stores your TOTP secrets directly in your browser. Private, simple, fully offline.

Alternative to:
Google AuthenticatorGoogle Authenticator
Seafile

Seafile

Seafile is a high-performance open-source file sync and share platform for teams. Fast syncing, end-to-end encryption, and reliable cross-device collaboration across all your devices.

Alternative to:
Google DriveGoogle Drive
Templatical

Templatical

Open-source drag-and-drop email editor with JSON templates, MJML rendering, and framework-agnostic embedding.

Alternative to:
BeeFreeBeeFree
Stream32

Stream32

Open-source ESP32-powered stream deck with a cross-platform Electron companion app for launching apps, hotkeys, and multi-step actions.

Alternative to:
Elgato Stream DeckElgato Stream Deck
AI-assisted
Scalar

Scalar

Scalar is an open-source API platform:                                       🌐 Modern Rest API Client                                        📖 Beautiful API References                                        ✨ 1st-Class OpenAPI/Swagger Support

Alternative to:
PostmanPostman
Bookmark It.

Bookmark It.

Open-source self-hostable bookmark manager to organize, discover, and personalize your saved links.

Alternative to:
RaindropRaindrop
BookWyrm

BookWyrm

Federated, self-hostable social network for readers — book shelves, reviews, and reading status, decentralized via ActivityPub.

Alternative to:
GoodreadsGoodreads
Showing 154 - 204 of 614 projects