Self-hosted projects tagged “Security

62 open source projects with this tag

62 services found

Syncthing

Syncthing

Open-source, peer-to-peer file synchronization tool.

80.3k
4.9k
Last commit: 2d ago

Open-source peer-to-peer file synchronization with TLS encryption, no central server, and a browser-based UI.

Alternative to:
Resilio Sync
Resilio Sync
+6
Mattermost

Mattermost

Secure, self-hosted team collaboration and messaging platform.

35.5k
8.4k
Last commit: 8h ago

Open-source, self-hosted messaging platform for secure team collaboration with real-time chat, audio calls, screen sharing, and integrations.

Alternative to:
Slack
Slack
+19
Web-Check

Web-Check

All-in-one OSINT tool for analyzing any website.

32.1k
2.5k
Last commit: 25d ago

Comprehensive on-demand OSINT to analyze a website's security, architecture, and tech stack.

Alternative to:
Shodan
Shodan
+8
Hasura GraphQL Engine

Hasura GraphQL Engine

Open-source GraphQL engine providing instant, realtime APIs on your data

31.9k
2.9k
Last commit: 9h ago

Hasura is an open-source GraphQL engine that instantly exposes realtime, secure GraphQL APIs over databases and other data sources with fine-grained access control.

Alternative to:
Hasura
Hasura
+16
SafeLine

SafeLine

Self-hosted WAF and reverse proxy for securing web apps

20.8k
1.3k
Last commit: 3mo ago

SafeLine is a self-hosted Web Application Firewall (WAF) and reverse proxy that defends web apps from SQL injection, XSS, bot abuse, and DDoS using ML-powered threat dete...

Alternative to:
Cloudflare Web Application Firewall (WAF)
Cloudflare Web Application Firewall (WAF)
+7
Anubis

Anubis

Web AI firewall utility that challenges and blocks scraper bots

17.2k
506
Last commit: 6d ago

Anubis is a lightweight web AI firewall that protects sites from AI crawlers and scraping bots using configurable request challenges and bot policies.

Alternative to:
Cloudflare Web Application Firewall (WAF)
Cloudflare Web Application Firewall (WAF)
+10
Fail2Ban

Fail2Ban

Log-monitoring daemon that bans abusive IPs via firewall rules

17k
1.5k
Last commit: 13d ago

Fail2Ban monitors service logs for repeated failures and automatically bans abusive IP addresses by updating firewall rules for a configurable time.

Alternative to:
CrowdSec
CrowdSec
diaspora*

diaspora*

Decentralized, privacy-focused federated social network

13.9k
2.9k
Last commit: 8mo ago

Open-source federated social network built around independently run pods, privacy via Aspects, and standard social features; implemented in Ruby on Rails.

Alternative to:
Mastodon (mastodon.social)
Mastodon (mastodon.social)
+6
OpenVPN

OpenVPN

Open-source VPN daemon for TLS-based secure tunneling

13.3k
3.3k
Last commit: 1d ago

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.

Alternative to:
OpenVPN CloudConnexa
OpenVPN CloudConnexa
+18
CrowdSec

CrowdSec

Crowdsourced IDS/IPS and WAF with shared malicious IP intelligence

12.6k
576
Last commit: 1d ago

CrowdSec is an open-source security engine that detects attacks from logs and blocks malicious IPs using bouncers and community-curated threat intelligence.

Alternative to:
Fail2Ban
Fail2Ban
+10
imgproxy

imgproxy

On-the-fly image resizing, processing, and format conversion server

10.5k
727
Last commit: 1d ago

Fast, security-focused image processing server to resize, transform, optimize, and convert images on demand via URL-based HTTP requests.

Alternative to:
CloudConvert
CloudConvert
+4
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
BunkerWeb

BunkerWeb

Open-source web application firewall and reverse proxy

10.1k
566
Last commit: 19d ago

BunkerWeb is an open-source WAF and NGINX-based reverse proxy to protect web apps and APIs with HTTPS automation, security policies, and extensible plugins.

Alternative to:
Cloudflare Web Application Firewall (WAF)
Cloudflare Web Application Firewall (WAF)
+10
step-ca

step-ca

Private certificate authority and ACME server for X.509 and SSH

8.3k
532
Last commit: 1d ago

step-ca is a private CA and ACME server for issuing and automating X.509 TLS and SSH certificates, enabling short-lived credentials and secure enrollment for teams.

Alternative to:
HashiCorp Vault
HashiCorp Vault
+7
Papermark

Papermark

Document sharing and virtual data rooms with analytics

8.1k
1.1k
Last commit: 12h ago

Open-source DocSend alternative for secure document sharing and data rooms, with custom domains, access controls, and viewing analytics.

Alternative to:
DocSend
DocSend
+7
iodine

iodine

IPv4-over-DNS tunneling server and client

7.7k
575
Last commit: 5mo ago

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.

Alternative to:
Cloudflare Tunnel
Cloudflare Tunnel
+15
Sandstorm

Sandstorm

Security-hardened self-hosted web app suite and package manager

7k
707
Last commit: 11d ago

Sandstorm is a self-hostable web productivity suite that lets you install, run, and securely share many web apps with unified access control and sandboxing.

Alternative to:
Cloudron
Cloudron
+4
ClamAV

ClamAV

Open-source antivirus engine for gateway and file scanning

6.3k
835
Last commit: 5d ago

ClamAV is an open-source antivirus toolkit providing a multi-threaded daemon, command-line scanners, and automatic signature updates for mail gateways and file scanning.

Alternative to:
McAfee
McAfee
+8
LLDAP

LLDAP

Lightweight LDAP authentication server with a web UI

6k
315
Last commit: 1d ago

LLDAP is a lightweight LDAP server for authentication and user management, providing a simplified LDAP interface, a web admin UI, and SQLite/MySQL/PostgreSQL backends.

Alternative to:
Microsoft Active Directory
Microsoft Active Directory
+2
OpenEMR

OpenEMR

Open-source EHR and medical practice management system

5k
2.8k
Last commit: 20h ago

OpenEMR is an open-source electronic health records (EHR/EMR) and practice management platform for clinics, including scheduling, billing, and interoperability features.

Alternative to:
Cerner (Oracle Health)
Cerner (Oracle Health)
Cap

Cap

Privacy-first proof-of-work CAPTCHA alternative for web and APIs

4.9k
294
Last commit: 11d ago

Lightweight, self-hostable CAPTCHA alternative using SHA-256 proof-of-work challenges to protect forms and APIs from bots without tracking or visual puzzles.

Alternative to:
Google reCAPTCHA
Google reCAPTCHA
+8
Unbound

Unbound

Validating, recursive, caching DNS resolver

4.3k
424
Last commit: 13h ago

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

Alternative to:
Cloudflare DNS
Cloudflare DNS
+9
Judge0 CE

Judge0 CE

Sandboxed online code execution system with a JSON API

4k
816
Last commit: 3d ago

Judge0 CE is an open-source, sandboxed online code execution system with an HTTP JSON API for running untrusted code in many programming languages at scale.

2FAuth

2FAuth

Web-based TOTP/HOTP authenticator and 2FA account manager

3.8k
273
Last commit: 1mo ago

Open-source web app to manage TOTP/HOTP 2FA accounts: scan QR codes, generate one-time codes, import/export tokens, and protect access with WebAuthn and optional encrypti...

Alternative to:
Google Authenticator
Google Authenticator
+3
Svix

Svix

Enterprise-ready webhook service for reliable event delivery

3.1k
232
Last commit: 2d ago

Svix is an open-source webhook service that handles event ingestion, signing, retries, and endpoint management with scalable delivery and client libraries.

Alternative to:
Svix
Svix
+6
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
YunoHost

YunoHost

Debian-based server OS and web control panel for self-hosted apps

2.8k
336
Last commit: 2d ago

Open-source Debian-based OS and control panel that simplifies installing, managing and securing web apps, mail and services via a web admin and app catalog.

Alternative to:
Cloudron
Cloudron
+19
Canarytokens

Canarytokens

Honeytokens that alert when accessed or executed

2.8k
396
Last commit: 14d ago

Canarytokens generates honeytokens (URLs, files, credentials, docs) that alert you when an attacker touches them, helping detect breaches early.

Alternative to:
Thinkst Canary
Thinkst Canary
+2
Convoy

Convoy

Cloud-native webhooks gateway for reliable event delivery

2.8k
169
Last commit: 2d ago

Convoy is a cloud-native webhooks gateway to ingest, persist, debug, and reliably deliver incoming and outgoing webhooks with retries, rate limiting, and security control...

Alternative to:
Svix
Svix
+2
Docker Socket Proxy

Docker Socket Proxy

Security-enhanced proxy to restrict Docker socket API access

2.3k
194
Last commit: 15h ago

A ACL-based proxy that sits in front of the Docker daemon to block unsafe API endpoints while allowing authorized operations.

Alternative to:
Docker
Docker