Kotlin

Self-hosted projects using Kotlin

16 self hosted projects using this technologyLanguage

16 services found

SimpleX Chat

SimpleX Chat

Open-source encrypted messenger with no user identifiers

10.5k
568
Last commit: 27d ago

Open-source, decentralized messaging network built on a Haskell core with Kotlin Multiplatform and native iOS clients; end-to-end encrypted messaging without user IDs.

Alternative to:
Signal
Signal
+11
Amnezia

Amnezia

Cross-platform client to deploy and use your own VPN server

10.2k
720
Last commit: 1d ago

Open-source VPN client for desktop and mobile that can automatically set up a private VPN server and connect using WireGuard, OpenVPN, IKEv2, and obfuscated modes.

Alternative to:
NordVPN
NordVPN
+15
Firezone

Firezone

Zero-trust remote access platform built on WireGuard

8.4k
403
Last commit: 7h ago

Firezone is a zero-trust VPN replacement built on WireGuard, providing identity-aware access policies, peer-to-peer encrypted tunnels, and lightweight gateways.

Alternative to:
Tailscale
Tailscale
+11
Komga

Komga

Media server for comics, manga, magazines, and eBooks

6k
345
Last commit: 19h ago

Self-hosted media server to organize and read comics and manga, with a web reader, REST API, OPDS catalogs, and eReader sync (Kobo, KOReader).

Alternative to:
Amazon Kindle
Amazon Kindle
+7
Tolgee

Tolgee

Web-based localization and translation management platform

3.8k
335
Last commit: 8h ago

Open-source localization platform with in-app translation, collaborative workflows, and APIs/CLI to manage multilingual app strings, screenshots, and translations.

Memories for Nextcloud

Memories for Nextcloud

Advanced photo and video management app for Nextcloud

3.7k
137
Last commit: 1d ago

Fast, modern photo and video management for Nextcloud with timeline, albums, sharing, metadata editing, map view, and optional AI-based tagging integrations.

Alternative to:
Google Photos
Google Photos
+12
Jitsi Videobridge

Jitsi Videobridge

Open-source WebRTC Selective Forwarding Unit (SFU)

3.1k
1k
Last commit: 5d ago

An open-source WebRTC SFU that routes media for scalable multiparty video conferencing; supports Colibri XMPP/REST control, DTLS/SRTP, and Prometheus metrics.

Alternative to:
LiveKit Cloud
LiveKit Cloud
+17
Music Player Daemon

Music Player Daemon

A flexible, server-side music daemon with network control.

2.6k
393
Last commit: 1d ago

MPD is a modular, network-controlled music server that streams and manages a local music collection via a protocol-enabled daemon.

Alternative to:
Volumio Premium (MyVolumio)
Volumio Premium (MyVolumio)
+8
Yaade

Yaade

Open-source, self-hosted API development environment for collaboration.

2k
83
Last commit: 9mo ago

Yaade is a self-hosted, collaborative API development environment that lets teams share API collections, run tests, and import from OpenAPI or Postman.

Alternative to:
Postman
Postman
+10
Fladder

Fladder

Cross-platform Jellyfin client built with Flutter

1.8k
94
Last commit: 8h ago

Fladder is a cross-platform Jellyfin client that streams, transcodes, and downloads media for offline playback, with profile switching, library management, and adaptive U...

Alternative to:
Infuse Pro
Infuse Pro
+5
Apache Solr

Apache Solr

Open-source, high-performance search platform built on Apache Lucene

1.6k
810
Last commit: 19h ago

Scalable enterprise search platform supporting full-text, vector, faceted and geospatial search with SolrCloud clustering and a web admin UI.

Alternative to:
Algolia
Algolia
+18
ClipCascade

ClipCascade

Encrypted cross-device clipboard sync with optional self-hosted server

1.5k
55
Last commit: 6mo ago

Lightweight clipboard sync tool for Windows, macOS, Linux, and Android with end-to-end encryption, multi-user support, and optional self-hosted server or P2P mode.

Alternative to:
Pushbullet
Pushbullet
+6
Gameyfin

Gameyfin

Web-based video game library manager

950
31
Last commit: 24d ago

Gameyfin organizes your video game collection into a searchable web library with automatic scanning, metadata fetching, downloads, sharing, and optional SSO integration.

Alternative to:
LaunchBox Cloud
LaunchBox Cloud
+6
Jelu

Jelu

Self-hosted read and to-read list book tracker

647
24
Last commit: 11d ago

Self-hosted book-tracking web app to manage read/to-read lists, import/export libraries, tag books, write reviews and run a personal Goodreads-like library.

Alternative to:
Goodreads
Goodreads
+4
Kuvasz Uptime

Kuvasz Uptime

Open-source uptime and SSL monitoring with status pages

497
31
Last commit: 7d ago

Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus/OpenTelemetry exporters, per-monitor notifications, and YAML config.

Alternative to:
UptimeRobot
UptimeRobot
+16
Kuvasz

Kuvasz

Open-source uptime and SSL monitoring with status pages

497
31
Last commit: 7d ago

Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus and OpenTelemetry exporters, per-monitor notifications, and YAML-based configuration.

Alternative to:
UptimeRobot
UptimeRobot
+18