Free-tier documentation

FreeFlarum

FreeFlarum is a hosted forum service for creating and managing Flarum communities. It provisions a forum instance from a signup form, handles updates and extensions, and provides export support so forum owners can move their data out at any time.

Dubble is a browser extension that records a user's workflow and turns it into step-by-step documentation with screenshots, videos, and editable text. The product supports recording, editing descripti...

CyberChef is a browser-based web application for analysing, decoding, and transforming data with a drag-and-drop recipe interface. It runs entirely in the browser with no server-side component, and su...

WebComponents.dev is an online IDE for building Web Components in the browser. It provides starter templates for multiple component frameworks and languages, then lets developers push code to Git and publish packages to npm from the studio environment.

roadmap.sh

roadmap.sh is a community-maintained platform that publishes role-based and skill-based developer roadmaps, project ideas, best practices, and guides. It organizes learning paths for areas such as fro...

Slab

Slab is a hosted knowledge base and wiki platform for internal documentation. It provides a web editor for creating posts and topics, organization features such as folders, tags, and Topics, and unified search across Slab content and connected tools.

Read the Docs

Read the Docs is a documentation deployment platform that connects to Git repositories and builds documentation from source on every commit. It supports public and private repositories, live pull request previews, versioned documentation, and access controls such as SSO on paid plans.

DynamicDocs API

DynamicDocs API is a PDF generation service that creates documents from JSON payloads and LaTeX templates over a REST API. The product supports ready-made JSON to PDF templates, dynamic tables, encoded images, and chart generation, and it is hosted on Amazon Web Services.

Pastefy

Pastefy is a web-based pastebin for sharing code snippets and text pastes. Users can create a paste, share it publicly, organize pastes into folders, and use client-side encryption for secret snippets.

Wikifactory

Wikifactory is a web platform for exploring open engineering projects and related documentation. The landing page describes access to more than 20,000 projects, CAD files, project documentation, articles, topics, and research resources, with links to view projects and browse community content.

Full Stack open

Full Stack open is a free online course on modern web development from the University of Helsinki. It covers React, Redux, Node.js, MongoDB, GraphQL, TypeScript, React Native, CI/CD, containers, relat...

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.

JetBrains Datalore

JetBrains Datalore is a collaborative data science platform for working with Jupyter notebooks in the cloud or on-premises. It supports Python notebooks and also lists SQL, R, Scala, and Kotlin notebook support, along with notebook export, an API, and on-the-fly environment customization.

Savannah

Savannah is a free software hosting forge for GNU and non-GNU projects. It provides project registration and hosting for source code, issue tracking, support requests, tasks, patches, mailing lists, and project statistics.

Gradio

Gradio is a Python library for building web interfaces around machine learning models and other Python functions. It provides high-level components such as textboxes, images, audio, plots, chatbots, d...

GitHub Pages

GitHub Pages is a static website hosting service for content stored in a GitHub repository. A site is published by editing files in the repository and pushing commits; GitHub then serves the generated pages from the repository source.

Bump.sh

Bump.sh is an API documentation platform that publishes documentation portals from OpenAPI and AsyncAPI documents. It supports API reference pages, an API Explorer, automatic changelogs, versioning, governance, and documentation hubs for organizing multiple APIs.

Slite

Slite is an AI-powered knowledge base for team documentation and internal search. It provides a collaborative editor, document verification, recurring docs, templates, integrations, and an Ask feature...

Stoplight

Stoplight is an API design and documentation platform for creating OpenAPI and JSON Schema definitions, generating interactive documentation, and running mock servers from the same workspace. It supports code-based editing, schema reuse, design validation, Git sync, and OpenAPI export.

Apidog

Apidog is an all-in-one API platform for designing OpenAPI specifications, debugging requests against those specs, running automated API tests, publishing interactive documentation, and generating moc...

ToDiagram

ToDiagram is a data visualization and editing platform that turns structured data into interactive diagrams. It supports formats such as JSON, YAML, XML, CSV, JSON Schema, and Mermaid, and lets users inspect, edit, and export diagrams in a visual workspace.

Mermaid Chart

Mermaid Chart is a diagramming application that turns text, Markdown-style syntax, or natural-language prompts into rendered diagrams. It supports flowcharts, sequence diagrams, Gantt charts, ER diagr...

Mintlify

Mintlify is an intelligent knowledge platform for creating and maintaining documentation, knowledge bases, and help centers. It helps teams publish modern, AI-ready content that serves both human readers and AI systems.

ReadMe

ReadMe is a documentation platform for building and publishing interactive API docs. It combines a WYSIWYG editor with Git-backed workflows so teams can keep documentation synchronized as they write, review, and ship APIs.

Confluence is Atlassian’s AI-powered workspace for knowledge and collaboration. It gives teams a central place to create, organize, and share documentation, project information, and team knowledge in one connected environment.

Ilograph

Ilograph is an interactive diagramming platform for documenting and explaining system architecture with depth and clarity. It helps teams create zoomable, model-based diagrams that can move from high-level overviews to detailed component interactions in a single visual system.