Jellyfin
Media ServersFree software media system for streaming your library
Replaces Plex, Emby
Self-hosted apps built with C#
60 open-source, self-hostable apps written primarily in C#.
Bitwarden
Password ManagersOpen-source password manager you can self-host
Replaces 1Password, LastPass
OpenRA
Game Engines & FrameworksOpen-source remake of classic RTS games
Replaces Command & Conquer, Red Alert
Sonarr
Media ServersSeries collection manager for Usenet and BitTorrent users
Jackett
Media ServersAPI support for your favorite torrent trackers
Duplicati
Backup & RecoveryFree backup software with a friendly web UI
Replaces Backblaze, Carbonite
Radarr
Media ServersMovie collection manager for Usenet and BitTorrent users
ArchiSteamFarm
Game ServersTool for farming Steam cards from multiple accounts
Replaces Idle Master
Kavita
E-books & Media LibraryFast self-hosted digital library for all reading
Replaces Kindle, ComiXology
nopCommerce
E-commerce PlatformsOpen-source .NET e-commerce platform
Replaces Shopify, Magento
Technitium DNS Server
Reverse Proxy & GatewaysSelf-hosted DNS server with ad-blocking and a web console
Replaces Pi-hole, AdGuard Home
YARP
Reverse Proxy & GatewaysReverse proxy toolkit for building proxies in .NET
Replaces Nginx
Orchard Core
Content Management SystemsModular, multi-tenant CMS built on ASP.NET Core
Replaces Sitecore, WordPress
BTCPay Server
Budgeting & FinanceBitcoin and other cryptocurrencies payment processor
Prowlarr
Media ServersComplete management of your indexers for Radarr, Sonarr, Lidarr
Libation
E-books & Media LibraryAudiobook library manager and Audible backup tool
Replaces Audible app
OpenCvSharp
Video Surveillance.NET wrapper for OpenCV computer vision
Replaces Commercial vision SDKs
Lidarr
Media ServersMusic collection manager and download automation tool
Replaces Spotify
Umbraco
Content Management SystemsFriendly open-source .NET content management system
Replaces Sitecore, Kentico
Remotely
Remote Access & VPNRemote control and support tool built with .NET
Replaces TeamViewer
SparkleShare
File Sync & StorageGit-backed file synchronization with version history
Replaces Dropbox
Emby
Media ServersPersonal media server for your movies and shows
Replaces Plex, Netflix
ink
Game ServersNarrative scripting language for interactive fiction games
Replaces Yarn Spinner
Ombi
Media ServersMedia request tool on Plex/Emby/Jellyfin
Replaces Netflix, Plex
smtp4dev
Mail ServersFake SMTP server for development email testing
Replaces Mailtrap
slskd
File Sync & StorageA modern client-server application for the Soulseek file sharing
Readarr
E-books & Media LibraryE-book and audiobook collection manager
Replaces Goodreads, Audible
OnlyOffice Community Server
Office SuitesCollaboration server pairing with the ONLYOFFICE editors
Replaces Microsoft 365
ErsatzTV
Media ServersIPTV streaming server that creates custom TV channels
Replaces Cable TV
Squidex
Content Management SystemsHeadless CMS, based on MongoDB, CQRS and Event Sourcing
Piranha CMS
Content Management SystemsLightweight, cross-platform CMS for ASP.NET Core
Replaces WordPress, Umbraco
Recyclarr
Media ServersSync TRaSH guide quality profiles to Sonarr and Radarr
Replaces Notifiarr
mail-archiver
Backup & RecoveryWeb application for archiving, searching, and exporting emails
Featbit
Developer Tools & GitEnterprise-grade feature flag platform that you can self-host
Damselfly
Photo ManagementServer-based photo management for large libraries
Replaces Google Photos
iSpy
Video SurveillanceOpen-source camera security and surveillance software
Replaces Blue Iris
Smartstore
E-commerce PlatformsModern open-source .NET commerce platform
Replaces Shopify, Magento
GrandNode
E-commerce PlatformsOpen-source e-commerce platform built on .NET and MongoDB
Replaces Shopify, Magento
HASS.Agent
Home AutomationWindows companion for Home Assistant control
Replaces IFTTT
Whisparr
Media ServersAdult movie collection manager
OpenHV
Game ServersFree pixel-art real-time strategy game on the OpenRA engine
Replaces Command & Conquer
KeePass
Password ManagersOriginal free and open-source password manager
Replaces 1Password, LastPass
BlogEngine.NET
Blogging PlatformsFull-featured blogging platform for the .NET stack
Replaces WordPress, Blogger
CodeProject.AI Server
Video SurveillanceSelf-hosted AI server for surveillance object detection
Replaces Amazon Rekognition
OpenBudgeteer
Budgeting & FinanceBudgeting app based on the Bucket Budgeting Principle
Gaseous Server
Game Engines & FrameworksSelf-hosted ROM library and metadata server
Replaces LaunchBox
Notesnook Sync Server
Notes & Knowledge BaseSelf-hosted backend for the Notesnook encrypted notes app
Replaces Evernote, OneNote
Notifo
Chat & CommunicationMultichannel notification server with support for Email, Mobile Push,
Shoko Server
Media ServersSelf-hosted anime collection manager with automatic identification
Replaces MyAnimeList
Reaparr
Media ServersCross-platform Plex media downloader that seamlessly adds media
YAF.NET
Forums & CommunityOpen-source forum software for ASP.NET
Replaces phpBB, vBulletin
Zigbee2MQTT Assistant
Home AutomationWeb management UI for Zigbee2MQTT networks
Replaces SmartThings Hub
Tranga
E-books & Media LibraryAutomated manga downloader for Komga and Kavita
Replaces ComiXology
FeedCord
RSS & News ReadersSimple, lightweight & customizable RSS News Feed for your Discord
OpenHabitTracker
Project Management & TasksTrack habits, tasks and notes with time tracking, calendar view
PDFKeeper
Document ManagementOpen-source PDF document management system
Replaces DEVONthink, Mayan EDMS
Memtly
Photo ManagementEvent photo sharing platform and gallery with slideshow that allows
Stream Master
Media ServersSelf-hosted IPTV and stream management application
Replaces xTeVe, Threadfin
NextPVR
Media ServersPersonal video recorder for live and recorded television
Replaces TiVo
CnCNet Server
Game ServersTunnel server for hosting Command and Conquer multiplayer games
Replaces proprietary game matchmaking servers
No apps match these filters.