Paid vs. Free subcategories
twisted/towncrier 💎 hidden gem
Builds a changelog out of one small file per change, so nobody edits the same line twice.
sphinx-doc/sphinx
Builds a documentation website, and a PDF, from text files and from the comments beside the code.
facebook/docusaurus
A static site generator from Meta that turns Markdown files into a documentation website.
mkdocs/mkdocs
Turns a folder of Markdown files into a documentation website, controlled by one settings file.
squidfunk/mkdocs-material
Turns a folder of Markdown files into a searchable documentation website, with every formerly sponsor-only feature now included.
halo-dev/halo
A self-hosted website and blog platform, written in Java, with a marketplace of themes and plugins.
htekdev/vidpipe 💎 hidden gem
It watches a folder for recordings and produces captions, clips and draft social posts from each one.
decaporg/decap-cms
An editing screen for a website whose pages live as files in a repository, where every save becomes an ordinary commit.
mkdocstrings/mkdocstrings 💎 hidden gem
Pulls the explanation notes out of Python code and renders them on a documentation site.
directus/directus
It wraps an existing SQL database with an automatic web interface and an editing screen.
presenton/presenton
Generates editable slide decks from a prompt or a document, on a machine you control, using whichever AI model you choose.
blader/humanizer
A set of instructions that rewrites AI-sounding text so it reads as though a person wrote it.
GetPublii/Publii
A desktop program that builds a whole website on one computer and uploads the finished files.
marp-team/marp-cli
It turns one Markdown file into slides, a PDF or a PowerPoint file with one command.
usewaypoint/email-builder-js 💎 hidden gem
A drag-and-drop email editor that is embedded inside another application.
zuplo/zudoku 💎 hidden gem
Builds a documentation site for a web service from the description it already produces.
opral/inlang 💎 hidden gem
A translation system for websites that compiles each language into plain code.
pentacent/keila 💎 hidden gem
A self-hosted newsletter tool with a visual editor and its own signup forms.
estruyf/vscode-front-matter 💎 hidden gem
A content manager inside VS Code: every post in one list, a publishing calendar, and a health check on the post in front of you.
payloadcms/payload
A full content database with a generated admin screen and API, for content that has real structure rather than being blog posts.
sveltia/sveltia-cms 💎 hidden gem
A drop-in admin page for a file-based site that works on a phone, and reads Decap CMS's own config file — Decap has not cut a release since June 2024.
Thinkmill/keystatic 💎 hidden gem
A writing screen for the Markdown blog posts that already live in the website project, saved back as files with no database.
WeblateOrg/weblate
Translation management that works from the git repository and marks the Russian text as needing work the moment the English changes.
maizzle/framework 💎 hidden gem
It compiles modern email templates down to the inlined, table-based HTML that old mail programs require.
scalar/scalar
It turns an OpenAPI description into a readable, searchable documentation site with a built-in request client.
languagetool-org/languagetool
A spelling, grammar and style checker for more than twenty-five languages that you can host yourself.
textstat/textstat 💎 hidden gem
A Python library that scores text for readability and counts its syllables, words and sentences.
tolgee/tolgee-platform
Self-hosted localisation platform with in-context editing — the way a second-language version of an app stops being a forked codebase.
withastro/starlight
Astro's own documentation theme — the content that ranks for months and gets quoted by AI assistants.
withastro/astro
A web framework for content-heavy sites that produces plain HTML pages and sends almost no JavaScript.
knadh/listmonk
A self-installed newsletter and mailing-list manager that runs as a single program against a Postgres database.
AgriciDaniel/claude-blog
Claude Code blog skill suite: 30 sub-skills, 5 agents, 5-gate v1.9.0 Blog Delivery Contract, dual-optimized for Google rankings and AI citations. Active development at AI-Marketing-Hub/claude-blog (AI Marketing Hub Pro community); public releases ship here.
AgriciDaniel/claude-repurpose
Content Repurposing Engine for Claude Code. Turn 1 piece of content into 10+ platform-optimized posts for Twitter, LinkedIn, Instagram, Facebook, YouTube, Skool, Reddit, and newsletters.
allweonedev/presentation-ai
ALLWEONE® Open source AI presentation generator Gamma Alternative. Create professional slides with customizable themes and AI-generated content in minutes.
ALwrity/ALwrity
ALwrity - AI-first Digital Marketing Platform. AI Content Strategy and Planning, Multimodal content generation, Publishing, Analytics, AI SEO, Connect & Manage Social Accounts. Marketing OS - WIP
Anil-matcha/AI-Youtube-Shorts-Generator
Open-source alternative to Opus Clip, Vidyo.ai, Klap & SubMagic. Turn long-form YouTube videos into viral 9:16 shorts using LLM highlight detection, Whisper transcription, and auto vertical cropping — free, no watermarks, no per-clip credits.
artbyjazi/autoclip
Open-source, local-first AI video clipper. Long video in, caption-burned speaker-tracked 9:16 clips out. Fully offline with Whisper + Ollama, or bring your own API key.
Badsender-com/LePatron.email
LePatron is an opensource email builder allowing to industrialize your email template production. Build tailor made email templates and make them available to your non-technical users.
Billionmail/BillionMail
BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
blacktwist/social-media-skills
AI agent skills for social media content strategy, creation, and analysis across text-first platforms
ColinGPT9/clips-studio
Clips Kitty: Free open-source AI video clipper. Local Opus Clip alternative (also Klap & Vizard) that turns Twitch, Kick & YouTube streams into auto-captioned Shorts, Reels, and TikToks, and can auto-post them 24/7 from a mini PC. Local AI (Ollama, Whisper): no usage or subscription fees. Or OpenRouter: a 2-hour VOD cost 11 cents in my testing.
commitizen-tools/commitizen
Create committing rules for projects :rocket: auto bump versions :arrow_up: and auto changelog generation :open_file_folder:
conventional-changelog/conventional-changelog
Generate changelogs and release notes from a project's commit messages and metadata.
CoreBunch/Instatic
The open-source alternative to Webflow, Framer and WordPress. Agentic self-hosted visual CMS outputting clean static pages. Users, roles, plugins, content, database, it's all there.
coreyhaines31/marketingskills
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
darkzOGx/youtube-automation-agent
🎬 Open-source, self-hosted AI agent that runs a YouTube channel end to end: researches topics, writes scripts, generates narration, visuals and video, optimizes SEO, and publishes after your approval, then learns from analytics. Works with Gemini, OpenAI, OpenRouter, DeepSeek and more.
elementor/elementor
The most advanced frontend drag & drop page builder. Create high-end, pixel perfect websites at record speeds. Any theme, any page, any design.
emdash-cms/emdash
EmDash is a full-stack TypeScript CMS based on Astro; the spiritual successor to WordPress
FormidableLabs/spectacle
A React-based library for creating sleek presentations using JSX syntax that gives you the ability to live demo your code.
fralapo/clippyme
✂️ Open-source, self-hosted Opus Clip alternative. Turn long YouTube videos or uploads into viral 9:16 vertical shorts: AI viral-moment detection (Gemini), auto transcription + subtitles, active-speaker reframing, in-browser editing, and one-click TikTok / Reels / Shorts scheduling.
frappe/builder
Craft beautiful websites effortlessly with an intuitive visual builder and publish them instantly
givanz/VvvebJs
Drag and drop page builder library written in vanilla javascript without dependencies or build tools.
HugoBlox/kit
🧱 Describe your site, AI builds it, you own it as Markdown. Snap together Tailwind blocks like Lego — landing pages, blogs, portfolios, docs & more. No AI slop. Free to deploy anywhere 👇
hugohe3/ppt-master
AI turns documents or topics into real, native PowerPoint decks—with native shapes, transitions and animations, data-backed charts and tables on demand, audio narration from speaker notes, and support for your own .pptx templates. · by Hugo He
lingodotdev/lingo.dev
Open-source localization engineering tools. Connects to Lingo.dev localization engineering platform for consistent, quality translations.
marclou/mailcheap
Newsletters where you pay for the emails you send, not for dormant subscribers, at a fraction of the price of beehiiv and the like. Open source: self-host it, or use mailcheap.ai.
mettle/sendportal
Open-source self-hosted email marketing. Manage your own newsletters at a fraction of the cost.
miniscruff/changie
Automated changelog tool for preparing releases with lots of customization options
mirego/accent
The first developer-oriented translation tool. True asynchronous flow between translators and your team.
NaufalRizqullah/opensource-clipping
🎬 Ultimate AI Auto-Clipper — Transform long-form videos & podcasts into viral shorts! Features smart face-tracking, kinetic karaoke subtitles, contextual B-roll, AI voice-overs, and auto-uploaders (YouTube/FB). Powered by Whisper, Gemini, MediaPipe, & Pyannote.
nhaouari/obsidian-textgenerator-plugin
Text Generator is a versatile plugin for Obsidian that allows you to generate text content using various AI providers, including OpenAI, Anthropic, Google and local models.
NowSquare/VoxelSite
Open source AI website builder for self-hosted PHP sites. Describe a site, edit content and code, and publish source files you own.
orhun/git-cliff
A highly customizable Changelog Generator that follows Conventional Commit specifications ⛰️
OSSDrop/OSSDrop
Discover and launch open-source software. OSSDrop is a community-curated Product Hunt alternative where developers share projects, find tools, vote, and discuss.
PaloAltoNetworks/docusaurus-openapi-docs
🦝 OpenAPI plugin for generating API reference docs in Docusaurus v3.
pandich93/youtube-niche-finder
Self-hosted YouTube niche & outlier-video research tool (NexLev/vidIQ alternative) — MCP server + HTTP API + worker on YouTube Data API v3 and PostgreSQL, with a zero-build ES-modules dashboard
phpList/phplist3
Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.
pipipi-pikachu/PPTist
PowerPoint-ist（/'pauəpɔintist/）, An online presentation application that replicates most of the commonly used features of MS PowerPoint, allowing for the editing and presentation of PPT online. It also supports AIPPT and local PPTX file preview.
plasmicapp/plasmic
Visual builder for React. Build apps, websites, and content. Integrate with your codebase.
publishpress/publishpress-planner
PublishPress Planner has all the tools you need to manage WordPress content, including an editorial calendar to plan content. You can create custom status and notifications for content updates.
RafaelGodoyEbert/ViralCutter
Free tool to create viral videos from YouTube, generating clips optimized for TikTok and Instagram with automatic transcription and 9:16 editing.
release-drafter/release-drafter
Drafts your next release notes as pull requests are merged into master.
ScrapeCreators/social-media-research-skills
AI agent skills for social media research. Outlier posts, comment mining, competitor teardowns, ad libraries & trends across TikTok, Instagram, YouTube, Reddit, X, LinkedIn & more. Powered by ScrapeCreators. Works with Claude Code, Cursor, Codex, Gemini CLI.
silexlabs/Silex
Silex is an online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.
skerkour/markdown-ninja
Markdown-first CMS for bloggers, minimalists and startups. Open Source alternative to Medium, Mailchimp and Substack - https://markdown.ninja
sourcey/sourcey
Precision documentation from OpenAPI, MCP, Doxygen, and Markdown guides. Static HTML you own.
stoplightio/elements
Build beautiful, interactive API Docs with embeddable React or Web Components, powered by OpenAPI and Markdown.
strapi/strapi
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
swagger-api/swagger-ui
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
templatical/sdk
Drag-and-drop email editor. JSON templates, MJML rendering, framework-agnostic. Vue + TipTap inside. Source-available under FSL-1.1-MIT — free commercially, MIT after 2 years.
theJayTea/WritingTools
The world's smartest system-wide grammar assistant; a better version of the Apple Intelligence Writing Tools. Works on Windows, Linux, & macOS, with the free Gemini API, local LLMs, & more.
webstudio-is/webstudio
Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.
WordPress/wordpress-develop
WordPress Develop, Git-ified. Synced from git://develop.git.wordpress.org/, including branches and tags! This repository is just a mirror of the WordPress subversion repository. Please include a link to a pre-existing ticket on https://core.trac.wordpress.org/ with every pull request.
xixihhhh/hotclip
免费开源的 AI 剪辑 / 直播切片工具:长视频、直播回放、播客一键切成爆款竖屏短视频,直发抖音/快手/B站/小红书/视频号——AI 找高光金句、弹幕热度进爆点判断、自动加字幕、横屏转竖屏,本地运行无水印不上传 | Free open-source Opus Clip alternative, 100% local: AI clips long videos & livestream VODs into viral 9:16 shorts for TikTok & YouTube Shorts. No credits, no watermark, no uploads. Win/macOS/Linux.
zalify/easy-email-editor
Easy Email Editor is a feature-rich, top open-source SaaS email editor based on React and MJML.
zhouxiaoka/autoclip
AutoClip｜一个链接，一键出片。开源 AI 视频剪辑桌面工具，将播客、访谈、课程等长视频自动剪成短视频，生成字幕、封面和发布文案，适配抖音、小红书、TikTok、Reels 与 YouTube Shorts。Open-source AI video clipping & content repurposing.
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