Self-hosted projects built with GNU Make

Open-source DNS-based ad & tracker blocking server for networks. Offers per-device rules, parental controls, encrypted upstream DNS (DoH/DoT/DNSCrypt), web UI and API.

GPL-3.0Actively maintained

Alternative to:

AdGuard+5

OpenVPN is a widely used open-source VPN daemon providing TLS/SSL-based secure tunneling, flexible client-server and site-to-site modes, and cross-platform support.

Actively maintained

Alternative to:

OpenVPN CloudConnexa+18

Eclipse Mosquitto is a lightweight, open-source MQTT broker supporting MQTT 5.0 and 3.1.1, plus client libraries and CLI tools for pub/sub messaging.

Actively maintained

Alternative to:

EMQX Cloud+11

iodine is a DNS tunneling tool that forwards IPv4 traffic through DNS queries and replies, providing a TUN interface to route IP traffic when only DNS is allowed.

ISCSlowing down

Alternative to:

Cloudflare Tunnel+15

Tinyproxy is a small, efficient HTTP/HTTPS proxy daemon for POSIX systems, designed for low resource usage with access controls, filtering, and optional reverse/transparent proxying.

GPL-2.0Actively maintained

Alternative to:

Charles Proxy+9

Standards-based validating recursive DNS resolver with DNSSEC validation, DNS-over-TLS/HTTPS support and configurable caching for privacy and performance.

BSD-3-ClauseActively maintained

Alternative to:

Cloudflare DNS+9

Portable, file-backed workflow orchestrator that defines DAGs in declarative YAML, runs anywhere as a single binary, and includes a modern Web UI for monitoring and control.

GPL-3.0Actively maintained

Alternative to:

Prefect Cloud+10

Self-hosted web UI that exposes YAML-defined shell commands as buttons, dashboards and API endpoints with ACLs, auth and logging for safe, repeatable server operations.

AGPL-3.0Actively maintained

Alternative to:

PagerDuty Rundeck+11

ddclient is a Perl-based Dynamic DNS client that detects IP changes and updates DNS records across many supported DDNS and DNS provider APIs.

GPL-2.0Actively maintained

Alternative to:

DynDNS+5

Open-source PBX and telephony toolkit for building communications applications; modular C-based engine with SIP, WebRTC, RTP, ARI/AMI APIs and hardware support.

Actively maintained

Alternative to:

3CX+19

Kamailio is an open source SIP signaling server for scalable VoIP and real-time communication platforms, supporting routing, load balancing, WebRTC, and IMS/VoLTE.

Actively maintained

Alternative to:

AudioCodes Mediant Session Border Controller (SBC)+6

Open-source multiplayer modification and engine for Grand Theft Auto: San Andreas that adds synchronized networking, Lua scripting, resource-based content, and a server browser.

Automates Reverse Proxy-over-VPN (RPoVPN) using WireGuard, Caddy and NGINX to expose Docker Compose services to the public Internet with automated TLS.

AGPL-3.0Slowing down

Alternative to:

Cloudflare Tunnel+3

High-performance, standards-compliant IMAP/POP3/LMTP server with flexible authentication, extensible plugin system (Lua, Sieve) and OpenSSL TLS support.

Actively maintained

Alternative to:

Microsoft Exchange Online+15

Self-hosted DNS sinkhole written in Go that blocks ads, trackers and malicious domains; provides a modern web dashboard, Docker support, DoT/DoH options and realtime stats.

MITActively maintained

Alternative to:

AdGuard+5

An open-source, fast-paced arena shooter featuring parkour mechanics, multiplayer modes, and a realtime WYSIWYG map editor for cooperative map creation.

Actively maintained

Alternative to:

Quake Champions+4

UnrealIRCd is an open-source, modular IRC server implementing IRCv3, TLS, anti-spam/flood protections, GeoIP and admin APIs for running public or private IRC networks.

Adds ActivityPub federation to Nextcloud so users can post, follow, and interact with the fediverse while keeping content on their Nextcloud instance.

AGPL-3.0Actively maintained

Alternative to:

Mastodon (mastodon.social)+7

Open-source genealogy software with a web interface, multilingual support, GEDCOM import/export, relationship calculations, per-person access control and templating.

GPL-2.0Actively maintained

Alternative to:

Ancestry+3

Lightweight filesystem wiki engine using Git for history and Mycomarkup for content, suited for personal wikis, digital gardens and small teams.

AGPL-3.0Slowing down

Alternative to:

Atlassian Confluence+19

A small, C-based Mail Transfer Agent for local submission and outbound relay with TLS/SMTP authentication, aimed at home and small office use.

Likely dormant

Alternative to:

Postfix+11

Secrover generates human-readable HTML security audit reports for repositories and domains. Scans dependencies, code, and domains; supports scheduling and remote exports.

GPL-3.0Actively maintained

Alternative to:

Snyk+15

Minimal, fast image and video gallery server with PWA support, thumbnail generation, slideshows, filtering, and simple filesystem-based operation for self-hosting.

GPL-3.0Actively maintained

Alternative to:

Google Photos+14

cmyflix is a lightweight Netflix-like media server in C that scans media folders, builds JSON databases and static HTML pages, and plays HTML5-compatible video files.

AGPL-3.0Slowing down

Alternative to:

Plex+6

Lightweight C service that spoofs local IPs and sends Wake-on-LAN packets to automatically wake registered LAN machines when relevant traffic is detected.

A scalable open-source integrated library system (ILS) for cataloging, circulation, acquisitions, patron management and consortial workflows with web and OPAC interfaces.

GPL-2.0Actively maintained

Alternative to:

Follett Destiny Library Manager+6

Self-hostable REST API that returns IANA time zone identifiers for given latitude/longitude using timezone-boundary-builder data. Distributed as a Go binary and Docker image.

Generate fast static sites and link homepages from YAML using templates. Offers multiple build configs, an admin UI, and static output for ultra-fast pages.

AGPL-3.0Actively maintained

Alternative to:

Start.me+14

Inboxen provides unlimited unique email inboxes to protect your primary address from spam, sign-ups, and tracking while keeping your real inbox clean.

Activity unknown

Alternative to:

Mailinator+3

OpenSMTPD is an open-source, minimal SMTP daemon from the OpenBSD project providing an RFC-compliant MTA with privilege separation, table backends, filters and TLS support.

Activity unknown

Alternative to:

Postfix+11