Always free

SSL Server Test is a free online service from Qualys SSL Labs that performs a deep analysis of the configuration of a public SSL/TLS web server. Users submit a hostname and the service returns a report on certificate and protocol configuration.

maps.stamen.com is a web map tile viewer for Stamen map styles, including Toner, Terrain, and Watercolor. It presents interactive map previews and links to style variants such as labels, lines, background, lite, dark, and blacklite for Toner, plus standard, labels, lines, and background for Terrain.

Statically

Statically is a free global CDN for Git repositories and npm packages. It serves optimized files from GitHub, GitLab, Bitbucket, GitHub Gist, and npm through fixed CDN URL patterns, allowing developers to reference repository assets directly from a global edge network.

Statuspile

Statuspile is an open-source status dashboard for tracking the status pages of multiple service providers in one place. It provides a web dashboard where users can add and remove providers, save their configuration through Auth0 login, and fork the code from GitHub.

Sucuri SiteCheck

Sucuri SiteCheck is a remote website security scanner that checks a URL from the browser side for known malware, viruses, blacklisting status, website errors, out-of-date software, malicious code, red...

SunriseSunset.io

SunriseSunset.io provides a keyless JSON API for sunrise, sunset, twilight, golden hour, blue hour, and moon data for any point on Earth. It accepts latitude and longitude on a single GET request and returns times, azimuth, altitude, moon phase, timezone, and related fields in JSON.

talky

Talky is a browser-based video chat and screen sharing service that creates a unique room URL for each call. Users enter a name or start a chat, then share the room link with up to 6 participants who join through a supported browser without creating personal accounts.

Telegram

Telegram is a cloud-based messaging app for mobile, desktop, and web clients. It supports one-on-one chats, groups, channels, voice and video calls, secret chats with end-to-end encryption, and synchronized access across multiple devices using the same account.

Temp Mail

Temp Mail is a disposable email service that generates temporary inboxes for receiving messages without exposing a primary email address. The page describes a browser-based inbox with actions to copy,...

Tenzu

Tenzu is a web-based task and project management tool that uses Kanban boards, workspaces, and collaborative editing to organize work. It includes real-time co-authoring on task content, attachments, comments, a REST API, and support for multiple languages.

Test TLS

Test TLS is a free online scanner for TLS configuration of servers. It checks a domain name or IP address on a specified TCP port and reports TLS configuration settings, security vulnerabilities, and the server's X.509 certificate.

The Odin Project

The Odin Project is a free, open source full stack web development curriculum. It organizes curated tutorials, blogs, and courses into a structured learning path covering HTML and CSS, JavaScript, databases, React, NodeJS, Ruby, Ruby on Rails, and getting hired.

TimeCamp

TimeCamp is a time tracking and project profitability platform that records work through web, desktop, mobile, and browser apps. It supports manual time entry, timers, automatic tracking, timesheets, ...

ttl.sh

ttl.sh is an anonymous, ephemeral OCI registry for pushing and pulling container images and other OCI artifacts with a time-to-live tag. Users can push artifacts with no authentication, no account, and no configuration, then retrieve them until the TTL expires automatically.

TTS Studio

TTS Studio is a text-to-speech web interface with controls for language, voice, pitch, and speaking rate. Users enter text, choose a voice and language, adjust pitch and rate, then generate speech output.

UNPKG

UNPKG is a fast, global content delivery network for npm packages. It serves files from npm over versioned URLs such as https://unpkg.com/:package@:version/:file, and can resolve package entry points, subpaths, semver ranges, and npm dist-tags.

utterances

Utterances is a lightweight comments widget that uses GitHub Issues as the backing store for site comments. It matches a page by URL, pathname, or title, then uses the GitHub Issues search API to find or create the associated issue when a visitor comments.

UUID Generator

UUID Generator is a developer tool for generating unique identifiers in multiple formats, including UUID v1, UUID v4, UUID v7, GUID, Nil UUIDs, CUID v1 and v2, NanoID, and ULID. It generates IDs local...

VaocherApp

VaocherApp provides an online gift voucher and gift card management system with a free QR code generator. The generator creates QR codes for URLs, plain text, email addresses, phone numbers, Wi-Fi net...

Visual Studio Code

Visual Studio Code is a source-code editor from Microsoft that runs on macOS, Windows, Linux, and the web. The page describes it as an open source AI code editor with support for multi-agent development, extensions, documentation, an API, and web-based editing through vscode.dev.

VSCodium

VSCodium is a community-driven binary distribution of Microsoft Visual Studio Code built from the open-source vscode repository and released under the MIT license. It packages the editor without Micro...

W3Schools

W3Schools is a web development learning platform that provides tutorials, references, exercises, quizzes, code challenges, and certification courses across topics such as HTML, CSS, JavaScript, Python, SQL, and related web technologies.

Wave Terminal

Wave Terminal is an open-source terminal application that combines command-line access with integrated workspace features. It includes file previews, remote file editing, SSH connection management, screen splitting, workspace layouts, and a built-in web browser.

WhatIsMyIP.HELP

WhatIsMyIP.HELP is a web utility that shows the visitor’s public IP address over IPv4 and IPv6, along with country, ISP, ASN, browser language, time zone, user agent, and HTTP protocol details. It com...

xz/fonts is a free and open source CDN for delivering open source font families to websites using CSS. It serves font files through bunny.net's global content delivery network and only includes open source fonts.

Yap.Town

Yap.Town is a language-learning web app that combines spaced repetition with comprehensible input. It presents vocabulary in real sentences drawn from movies and TV, then schedules reviews using FSRS so learners see words in context rather than isolated flashcards.