Best Open Source

Suricata is a high-performance, open-source network IDS/IPS and network security monitoring engine. It is designed to be multi-threaded, allowing it to handle high-speed traffic with ease, making it a...

Private Internet Access (PIA) boasts one of the largest physical server networks and a long history in the VPN industry. Its no-logs policy has been proven multiple times in court when authorities req...

rkhunter is a comprehensive rootkit detection tool for Linux. It scans the system for suspicious files and directories, checks for backdoors, and monitors cron jobs. Its command-line interface makes i...

Meld is a visual diff and merge tool that helps developers compare files, directories, and version-controlled repositories. It provides an intuitive interface for merging changes between different ver...

ProtonVPN offers a free plan with features like Secure Core servers and no-logging policy. It supports multiple devices, has a user-friendly interface, and provides strong encryption. Ideal for casual...

The System76 Lemur Pro is a laptop built by and for the open-source community. It ships with System76's Pop!_OS, a Ubuntu-based distro optimized for development with built-in tiling and robust NVIDIA...

SuiteCRM is a popular, open-source fork of SugarCRM Community Edition, offering a fully-featured, self-hosted CRM solution. It provides sales force automation, customer support, and marketing campaign...

Windscribe's free plan includes ad-blocking, cross-platform support, and a user-friendly interface. It offers basic security features but lacks advanced options like split tunneling or dedicated IP ad...

Developed by the team behind Proton Mail, Proton VPN is built with a core commitment to privacy and transparency. It is based in Switzerland, benefiting from strong privacy laws, and its apps are open...

PyDev is a Python plugin for Eclipse, enhancing its capabilities with advanced refactoring tools. It supports features like Rename, Extract Method, and Inline Variable, making it a valuable addition t...

vtiger CRM is an open-source, all-in-one CRM solution encompassing sales, marketing, and support functionalities. It is available in both self-hosted (free) and cloud-based commercial editions. It inc...

Gpg4win is a collection of open-source tools for email and file encryption based on the OpenPGP standard. It supports Windows, macOS, and Linux, providing secure communication and data protection. Gpg...

SharpDevelop is an open-source IDE for C# and VB.NET that provides a lightweight alternative to more heavyweight IDEs. It includes essential features such as code completion, debugging, and a built-in...

Private Internet Access (PIA) Business focuses on transparency and security. It's known for its open-source nature and Mullvad-like architecture, allowing for greater scrutiny of its code. PIA offers...

OpenSourceCRM is a fully customizable, open-source CRM solution. It allows users to tailor the platform according to their specific needs and includes features like contact management, task tracking,...

Gitea is a lightweight, self-hosted Git service written in Go, designed for simplicity and ease of installation. It's a compelling alternative to GitLab, offering similar functionality with a signific...

PIA's free plan provides basic security features and cross-platform support. It includes a user-friendly interface, but lacks advanced options like split tunneling or dedicated IP addresses.

Satoshi Kons final film is a kaleidoscopic journey into the world of dreams. When a device that allows therapists to enter their patients' dreams is stolen, a research psychologist named Atsuko Chiba...

GitHub Issues is the native issue tracker embedded within the world's largest software development platform. For teams already hosting their code on GitHub, it provides a supremely contextual and inte...

Discourse is a modern, open-source discussion platform built for creating thriving online communities. It combines the best aspects of forums and social media, offering a clean, intuitive interface an...

Eclipse is a long-standing, open-source IDE that remains a staple in enterprise Java development. While it has lost ground to IntelliJ IDEA, it remains highly capable, especially for legacy projects a...

Apache JMeter is the venerable, open-source standard for performance and load testing, with robust capabilities for functional API testing. Originally designed for web applications, it supports a wide...

Signal is a highly regarded, end-to-end encrypted messaging app favored by journalists, activists, and security professionals. Its open-source nature allows for independent security audits, and its si...

GitLab is a comprehensive DevOps platform that includes a powerful issue tracking system. Because it is built directly into the CI/CD pipeline, it offers a unique advantage: you can manage your entire...

OWASP is a non-profit organization focused on improving software security. Their website provides a wealth of resources for developers and security professionals, including guides, tools, and document...

Visual Studio Code is the industry-standard code editor, offering a seamless experience across Windows, macOS, and Linux. It excels through its massive extension marketplace, allowing developers to cu...

uBlock Origin is a highly efficient and widely recommended browser extension known for its minimal resource consumption and powerful ad-blocking capabilities. It utilizes dynamic filtering, blocking a...

Penpot is the first open-source design and prototyping tool that rivals mainstream competitors like Figma. Built on web standards (SVG), it offers a familiar, powerful interface for wireframing, visua...

freeCodeCamp is a non-profit organization that provides a completely free, comprehensive curriculum for web development and data science. It is powered by a massive community of volunteers and is one...