End-to-end encrypted online spreadsheets enabling secure, real-time collaboration, access management, automatic calculations, and cross-device sharing for team data analysis.
- Spreadsheet App
- Freemium • Open Source
- Online

End-to-end encrypted online spreadsheets enabling secure, real-time collaboration, access management, automatic calculations, and cross-device sharing for team data analysis.

Disc imaging and mounting software with support for VHD, ZIP, and remote access. Offers encryption and iSCSI imaging with Windows integration.

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

Open source community and software directory offering code hosting, analytics, version control, project management, and access to over 50,000 business titles.

Keyviz is a free and open-source tool to visualize your keystrokes and mouse actions in real-time.

Portal™ is a puzzle game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative games on the horizon and will offer gamers hours of unique gameplay.

Excalidraw is an open-source whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them. Available directly online as a web app and also through CodeSandbox to easily see how the code works, and the app is available for self-hosting.

FreshRSS is a free, self-hosted RSS aggregator. It is quite lightweight, fast (it can manage +100k articles without complaining) and powerful (e.g. shortcuts, filters, responsive design, multi-views, multi-themes, multi-users, statistics, provides a Google Reader API, etc.)

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications.

C is a general-purpose programming language. It was created in the 1970s by Dennis Ritchie and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of the targeted CPUs.

Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic...

openSUSE is a free and Linux-based operating system for your PC, Laptop or Server.

The open source AI code editor. Write code with the best AI tools, use any model, and retain full control over your data.

O&O ShutUp10++ means you have full control over which comfort functions under Windows 10 and Windows 11 you wish to use, and you decide when the passing on of your data goes too far. Using a very simple interface, you decide how Windows 10 and Windows 11 should respect your...

OpenSSH is a free version of the SSH connectivity tools that technical users rely on. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.
Your calendar is a record of your life. Proton Calendar helps keep it private.

A digital audio workstation, MIDI sequencer and video editing software application created by Cockos. The current version is available for Microsoft Windows, macOS, and Linux.

0 A.D. is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. In short, it is a historically-based war/economy game that allows players to relive or rewrite the history of Western civilizations, focusing on the years between 500 B.C. and 500 A.D.

Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.



Proton is a tool for use with the Steam client which allows games which are exclusive to Windows to run on Linux kernel operating system. It uses Wine to facilitate this.

Ladybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.

File Converter is a very simple tool which allows you to convert and compress one or several file(s) using the context menu in Windows Explorer.

SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.

dupeGuru is a free and open source tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching algorithm that can find duplicate filenames even when they are not exactly the same.
