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- Free open source alternatives of paid software.

Paid software

Free open source alternative app list about topic "lightweight" :

Cusdis is the free open source alternative of undefined

Features:

  • Lightweight comment widget, with i18n, dark mode.
  • Email notification
  • Webhook
  • Easy to self-host
  • Many integrations

Documentation

https://cusdis.com/doc

Community

Discord

FAQ

Compared to Disqus

Cusdis is not designed to be a complete alternative to Disqus. It's aim is to implement a minimalist and embeddable comment system for small websites (such as your static blog).

Given below are the pros and cons of Cusdis:

Pros

  • Cusdis is open-source and self-hostable. Hence, you own your data.
  • The SDK is lightweight(~5kb gzipped).
  • Cusdis doesn't require your user to sign in to make a comment.
  • Cusdis doesn't use cookies at all.

Cons

  • Cusdis is on the early stages of its development.
  • There is no spam filter, hence, you will have to manually moderate your comment section and comments won't be displayed until you approve them.
  • Disqus is a company, we aren't.

Contributing

Contributing Guide

If you are going to make a PR, remember to choose dev as the base branch.

License

GNU GPLv3

FreemiumWindowsmacOSLinux
NoteGen is the free open source alternative of undefined

NoteGen is a cross-platform Markdown note-taking application dedicated to using AI to bridge recording and writing, organizing fragmented knowledge into a readable note.

Why Choose NoteGen?

  • Lightweight: Installation package is only about 10MB, free with no ads or bundled software.
  • Cross-platform: Supports Mac, Windows, Linux, and thanks to Tauri2's cross-platform capabilities, will support iOS and Android in the future.
  • Supports multiple recording methods including screenshotstextillustrationsfileslinks, etc., meeting fragmented recording needs across various scenarios.
  • Native offline usage with Markdown(.md) as the storage format, while also supporting real-time synchronization to private GitHub repositories with history rollback.
  • AI-enhanced: Configurable with ChatGPT, Gemini, Ollama, LM Studio, DeepSeek, and other models, with support for custom third-party model configuration.
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Editor's Picks for Free Open-Source Software:

RustFS is the free open source alternative of undefined

RustFS is developed with the popular and secure Rust language, compatible with S3 protocol. Suitable for AI/ML and massive data storage, big data, internet, industrial and confidential storage scenarios. Nearly free to use. Follows Apache 2 license, supports domestic confidential equipment and systems.

High-performance enterprise-grade distributed file system

Comprehensive features to meet enterprise-grade storage requirements

FreeWindowsmacOSLinux
Cachet is the free open source alternative of undefined

From startups to Fortune 500 companies, organizations worldwide trust Cachet to streamline their downtime communication, enhancing transparency with customers, teams, and stakeholders.

Cachet, the open-source self-hosted status page system.

Cachet 3.x Announcement

For more information on the Cachet rebuild and our plans for 3.x, you can read the announcement here.

Requirements

  • PHP 8.2 or later
  • Composer
  • A supported database: MariaDB, MySQL, PostgreSQL or SQLite

Installation, Upgrades and Documentation

You can find documentation at https://docs.cachethq.io.

Here are some useful quick links:

Demo

To test out the v3 demo, you can log in to the Cachet dashboard with the following credentials:

  • Email: [email protected]
  • Password: test123

Note The demo will automatically reset every 30 minutes.

Sponsors

Jump24 Dreamtilt Xyphen-IT Code Rabbit de:doc

Security Vulnerabilities

If you discover a security vulnerability within Cachet, please send an e-mail to [email protected]. All security vulnerabilities are reviewed on a case-by-case basis.

FreeWindowsmacOSLinux
Uptime Kuma is the free open source alternative of undefined

Uptime Kuma is an easy-to-use self-hosted monitoring tool.

🥔 Live Demo

Try it!

Demo Server (Location: Frankfurt - Germany): https://demo.kuma.pet/start-demo

It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors.

⭐ Features

  • Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Ping / DNS Record / Push / Steam Game Server / Docker Containers
  • Fancy, Reactive, Fast UI/UX
  • Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list
  • 20-second intervals
  • Multi Languages
  • Multiple status pages
  • Map status pages to specific domains
  • Ping chart
  • Certificate info
  • Proxy support
  • 2FA support

🔧 How to Install

🐳 Docker

docker run -d --restart=always -p 3001:3001 -v uptime-kuma:/app/data --name uptime-kuma louislam/uptime-kuma:1

Uptime Kuma is now running on http://0.0.0.0:3001.

Warning

File Systems like NFS (Network File System) are NOT supported. Please map to a local directory or volume.

Note

If you want to limit exposure to localhost (without exposing port for other users or to use a reverse proxy), you can expose the port like this:

docker run -d --restart=always -p 127.0.0.1:3001:3001 -v uptime-kuma:/app/data --name uptime-kuma louislam/uptime-kuma:1

💪🏻 Non-Docker

Requirements:

  • Platform
    • ✅ Major Linux distros such as Debian, Ubuntu, CentOS, Fedora and ArchLinux etc.
    • ✅ Windows 10 (x64), Windows Server 2012 R2 (x64) or higher
    • ❌ FreeBSD / OpenBSD / NetBSD
    • ❌ Replit / Heroku
  • Node.js 18 / 20.4
  • npm 9
  • Git
  • pm2 - For running Uptime Kuma in the background
git clone https://github.com/louislam/uptime-kuma.git
cd uptime-kuma
npm run setup

# Option 1. Try it
node server/server.js

# (Recommended) Option 2. Run in the background using PM2
# Install PM2 if you don't have it:
npm install pm2 -g && pm2 install pm2-logrotate

# Start Server
pm2 start server/server.js --name uptime-kuma

Uptime Kuma is now running on http://localhost:3001

More useful PM2 Commands

# If you want to see the current console output
pm2 monit

# If you want to add it to startup
pm2 save && pm2 startup

Advanced Installation

If you need more options or need to browse via a reverse proxy, please read:

https://github.com/louislam/uptime-kuma/wiki/%F0%9F%94%A7-How-to-Install

🆙 How to Update

Please read:

https://github.com/louislam/uptime-kuma/wiki/%F0%9F%86%99-How-to-Update

🆕 What's Next?

I will assign requests/issues to the next milestone.

https://github.com/louislam/uptime-kuma/milestones

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