Official Android Courses is a developer resource for coding, documentation, communities, security research, or software tools.
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A website collecting cheat sheets, round-ups, quick reference cards and quick reference guides on a single page, organized by topics such as .NET, Ada, Adobe Systems, AJAX, Algebra and Amazon Web Services. Entries link to external PDF or HTML documents and list official project websites.
Game-icons.net offers a growing collection of free game icons available in SVG and PNG formats. New symbols are added weekly and organized into categories. SVG files allow color and effect adjustments and scaling for interfaces, logos and stencils.
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.
A site offering side-by-side comparisons of programming languages and their compilers or runtimes. Benchmark tests are executed in a single CI job, and the static website is regenerated once a change is merged into the main branch. It aims to compare performance differences between languages and between compilers or runtimes of the same language.
late.sh is a command-line community space for computer enthusiasts, accessed through any SSH client. It offers chat, radio stations, arcade games, a collaborative ASCII artboard, daily challenges and tech news discussion. Identity is based on SSH public key fingerprints, with an optional companion CLI for audio, a visualizer and image pasting.
A GitHub Education program offering the best developer tools free for students, created with partners because real world tools can be cost-prohibitive for most students. It also includes curated Experiences bundles with tutorials and resources for learning skills such as GitHub Flow, open source contribution and AI prompting.
wayback-machine-downloader downloads websites, archived pages, or web source files for offline access and review.
125mb.com offers free web hosting with 24/7 support and support for PHP, Perl, CGI, Python and Ruby, plus domain registration, SSL certificates and VPS hosting. Paid shared, semi-dedicated and VPS hosting plans are also offered, with shared hosting starting at a monthly rate.
A site offering coding articles on topics such as Git, JavaScript and web development. The listing reports 694 articles, browsable by collection, with popular and latest content shown, including pieces on Git aliases, a JavaScript LeetCode solution and the Speculation Rules API.
9Router is an OpenAI-compatible routing gateway between command-line and IDE tools and AI providers. It offers smart 3-tier fallback, sending requests to subscription, cheap or free models in turn, and includes format translation and live quota tracking.
GitLab is described as an intelligent orchestration platform with context and governance for the entire software lifecycle. It combines planning, source control and CI/CD in one platform, with scanning, policies and approvals running inside the pipeline. It also offers the GitLab Duo Agent Platform for AI workflow automation and GitLab Flex flexible pricing.
Accessibility Cheatsheet is a page by Moritz Glantz offering practical approaches to Universal Design for making websites and webapps accessible to everyone. It covers semantic HTML, text alternatives for non-text content, form labels, visible focus indicators, sufficient contrast, descriptive links, captions and enabling pinch and zoom.
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.
AFRINIC is the Regional Internet Registry for Africa and is responsible for the allocation and management of Internet numbers, including IPv4, IPv6 and ASNs, in Africa. It also covers registry services, policy participation, learning and community activities, and offers a member registration portal.
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.
API List is a collective list of APIs for developers. The site states it offers over 800 free APIs, and owners can submit their own APIs. Listings can be browsed through categories and themed collections, such as one on climate change and natural hazards.
The official site for NetCut, a network utility for cutting connections, and related tools including the Arcai router with built-in NetCut and Wi-Fi speed control. The site also covers NetCut-defender for protection against ARP spoofing attacks and a full-feature NetCut for Android that requires root access.
ARIN is a nonprofit, member-based organization that administers IP addresses and ASNs in support of the operation and growth of the Internet. It publishes corporate documentation covering governance and operations, and offers ARIN Online, whose updates have included improved E-Check payment processing and strengthened accessibility features.
AstroNvim is a Neovim configuration that aims to be aesthetically pleasing and feature-rich, focusing on extensibility and usability. It is built as a modular collection of plugins and provides access to AstroCommunity, a community-maintained plugin marketplace. Out of the box it offers no direct support for any one language.
A curated list of Visual Studio Code extensions described as must-use. It links to the official Microsoft Visual Studio Code Marketplace. Themes and icons are excluded, and extensions are free from cost.
Batcave.net is a web hosting service offering free web hosting and paid shared, semi-dedicated and VPS hosting plans. It also lists domain name registration and transfer, SSL certificates, a site builder and script support for PHP, Perl, CGI, Python and Ruby.
BawkBox is a website widget service offering widgets such as customer reviews, feedback, public chatroom, polls, timer and lead capture. Widgets are installed by copying and pasting code, and the site states compatibility with platforms including Blogger, Wix, Drupal, Weebly and Squarespace. Free and paid plans are listed.
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.