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Hackertab is a free start page for developers that shows daily developer news, trending GitHub repositories and tech conferences, curated hourly from more than 50 sources. It is available as a browser extension for Chrome, Firefox, Brave and Edge and as a web version, with no account required to browse news. The site describes it as free and open source with no tracking.
Docker Hub is a container registry where developers and open source contributors find, use and share container images. It supports building, pushing and pulling images, and offers Docker Official Images, Verified Publisher, Sponsored OSS and Sandbox Kits.
7-Zip is a file archiver with a high compression ratio, offering LZMA and LZMA2 compression in 7z format. It packs and unpacks 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM, and unpacks many other formats. It is free software with open source, mostly under the GNU LGPL license, and works in Windows 11, 10, 8, 7, Vista and XP.
Accessibility Insights is an open-source set of tools for finding and fixing accessibility issues. Accessibility Insights for Web is a browser extension for Chrome and Microsoft Edge that tests webpages and web applications; Accessibility Insights for Windows is a desktop tool for Windows applications. FastPass is used to find common accessibility issues. The Android tool is no longer available for download.
Eclipse Adoptium provides prebuilt OpenJDK binaries built from open source build scripts and infrastructure. Its Temurin distribution is an OpenJDK-based Java runtime offered as a free download, with documentation covering installation, migration, supported platforms and container images. Adoptium also publishes build and test infrastructure artifacts and quality assurance tests.
Adventure Game Studio is open-source software for creating graphical point-and-click adventure games. It is free, standalone, and requires no subscription, with a Windows-based IDE that integrates tools for importing graphics, writing scripts, and testing. Games made with it can be played on multiple platforms, including Linux, iOS, and Android. The site offers downloads, a manual, tutorials, and community support forums.
Ahmia is a search engine for services on the Tor network. It indexes hidden services, which require the Tor browser bundle to access, and states that abuse material is not allowed and is removed from the index. The project is developed as free and open source software, with a crawler, an index and a search website.
An artificial life simulation tool built on a specialized 2D particle engine in CUDA for soft bodies and fluid-like media. Simulated bodies are networks of particles that can be given higher-level functions, such as sensors, muscles and neural networks, and act as digital organisms in a common environment. The software is open-source under the BSD-3-Clause license.
Anaconda is a platform for Python, data science, and AI development. Its core is conda, an open-source package and environment manager that installs software, resolves dependencies, and isolates projects. Two installers are offered: Anaconda Distribution, which bundles conda, Python, Anaconda Navigator, and hundreds of packages, and Miniconda, a minimal base environment. Anaconda Notebooks is a cloud-based JupyterLab environment.
Anvil is a Python-based drag-and-drop web app builder. It provides a visual designer, Python in the browser and on the server, and one-click deployment. Apps are automatically hosted, and deployment environments map a URL or Uplink key to a version of the app with its configuration. Apps can be exported from the cloud editor and hosted on a computer using the open-source Anvil App Server.
The Apache HTTP Server is an open-source web server for modern operating systems. It offers flexible configuration, TLS/SSL and authentication modules, multi-processing modules, HTTP/2, content caching, reverse proxy support and more than 100 modules. It runs on Linux, Windows, macOS and most Unix-like systems. Version 2.4.69 was released 2026-10-01, and version 2.2 is end-of-life.
Apache cTAKES is an open-source project developed under the Apache Software Foundation. Its documentation and project resources are hosted on a GitHub repository, and it is part of the broader Apache developer and user community.
APK Editor Studio is a free, open-source, cross-platform APK reverse-engineering tool for Windows, macOS, and Linux. It allows users to extract, edit, or replace APK resources, including changing the app icon and title, removing unwanted permissions, signing and installing APKs, and viewing signatures. It includes many built-in tools such as a code editor, manifest editor, and APK cloner.
Arcane is a free, open-source Docker management UI covering containers, images, volumes, networks, Compose projects, and remote hosts. It runs as a single container that manages Docker on the same host through the Docker socket and can be installed with Docker Compose or a Linux install script. Documentation also covers agents for managing other Docker hosts.
Atheos is an open source, web-based cloud IDE and code editor built on top of Codiad. It has a small footprint, supports 40+ languages, and requires a server with Apache2 and PHP.
Aurora is free open source software that controls RGB devices from brands such as Logitech, Razer and Corsair, with game effect integrations and a layering system for effects. It also supports custom layers, scripted lighting effects and custom devices. It supports titles including CS2, Dota 2 and League of Legends natively.
AviSynth is a video post-production tool that works as a frameserver, providing instant editing without temporary files. It has no graphical user interface and instead relies on a text-based script system for advanced non-linear editing. It is free open-source software licensed under the GNU General Public License GPLv2.
BackupPC is an open-source, enterprise-grade system that backs up Linux, Windows and macOS PCs and laptops to a server's disk. It includes a web interface for viewing logs and status, initiating and cancelling backups, and browsing and restoring files, plus data deduplication and compression. No client-side software is required. The latest release is 4.4.0, from June 20, 2020.
Baserow is an open-source no-code platform for building databases and applications, intended for use without coding or technical skills. It also provides REST API endpoints for creating, reading, updating and deleting rows after a database schema and API key are set up.
Beekeeper Studio is a SQL GUI and database manager for MySQL, Postgres, SQLite, SQL Server, Firebird and others. It is open source and offers a no-code interface for creating and altering tables, indexes and foreign keys, plus features such as connecting through firewalls and writing SQL.
Berty is a nonprofit project building a privacy-first peer-to-peer messenger on the Wesh network. Conversations use end-to-end encryption in a distributed network, with messaging over Bluetooth Low Energy that needs no network connection. Data is stored only on the device, and the software is described as forthcoming and open source.
Bespoke is an open-source software modular synthesizer for Mac, Windows, and Linux, licensed under GPLv3. Users connect modules together to create sounds, and it is designed to be highly customizable, with layouts described as bespoke to each user. Its design is less focused on a global timeline than a DAW and more optimized for jamming and exploration.
A GitHub Gist listing commonly used VTubing software, split into 3D models, Live2D and other entries, with notes on tracking support such as VMC protocol, Leap Motion, Tobii and iFacialMocap. The author notes the list covers tracking information only and is subjective and possibly biased.
Bitcoin Optech is a project that aims to help Bitcoin users and businesses integrate scaling technologies. It publishes weekly newsletters, podcasts, case studies and announcements, analyses of Bitcoin software and services, and workshops, and works to facilitate relations between businesses and the open source community.
