Free open source alternative app list of Evernote :

NoteGen

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 screenshots , text , illustrations , files , links , 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.

FreeWindowsmacOSLinux

Obsidian

Obsidian is the private and flexible writing app that adapts to the way you think.

FreemiumWindowsmacOSLinuxAndroidiOS

Joplin

Joplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.

FreemacOSAndroidiOS

Notion

A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team.

FreemiumWindowsmacOS

Moodiary

An open-source cross-platform diary app build with Fultter. Feature Cross-platform support: 🌍 Compatible with Android, iOS, Windows, MacOS, Linux*. Material Design: 🎨 The interface is intuitive and user-friendly, and follows the Material Design specifications. Multiple editors: 📝 supports markdown, plain text, rich text and other forms of text editing. Multimedia accessories: 📷 You can add pictures, audio, video or even draw a picture to your diary. Search and classification: 🔍 Easily manage your diary by full-text search and categorization. Custom theme: 🌈 Supports light and dark modes, as well as a variety of color schemes. Custom fonts: ✍️ Supports importing different fonts, and supports variable fonts. Data security: 🔒 Keep your diary safe with a password, supports biometric unlocking. Export and share: 🧾 Support all data import/export, as well as single diary sharing. Backup and synchronization: ☁ Support for LAN synchronization and WebDav backup. Trail Map: 🗺️ See your footprints on a map. Every step of your life is worth documenting. Intelligent assistant: 💬 Supports access to third-party large models, provides Q&A, sentiment analysis and other functions. Local Natural Language Processing (NLP): 🤖 A more secure intelligent assistant that lets your diary know you better.

FreeWindowsmacOSAndroidiOS

Onenote

Your digital notebook One cross-functional notebook for all your notetaking needs.

FreeWindowsmacOS

Bear

Bear is a beautiful, powerfully simple Markdown note taking app to capture, write, and organize your life.

FreemiummacOSiOS

AFFiNE

AFFiNE - All In One KnowledgeOS. The universal editor that lets you work, play, present or create just about anything. Write, Draw, Plan, All at Once. With AI. AFFiNE is a workspace with fully merged docs, whiteboards and databases. Get more things done, your creativity isn’t monotone.

FreemiummacOS

AppFlowy

AppFlowy is an AI collaborative workspace where you achieve more without losing control of your data.

FreemiumWindowsmacOSLinuxAndroidiOS

AiEditor

AiEditor is a next-generation rich text editor for AI. It is based on Web Component and supports almost any front-end framework such as Vue, React, Angular, etc. It is compatible with PC Web and mobiles, and provides two themes: light and dark. In addition, it also provides flexible configuration, and developers can easily use it to develop any text editing application.

FreeWindowsmacOSLinux

MarkText

Next generation markdown editor. A simple and elegant open-source markdown editor that focused on speed and usability.

FreeWindowsmacOSLinux

MWeb

Markdown writing, note taking and static blog generator App.

FreemiummacOS

MacDown

MacDown is an open source Markdown editor for macOS system, released under the MIT License.

FreemacOS

Others are looking for free open source alternatives of following apps:

Adobe Premiere Pro

Adobe Premiere Pro is a professional video editing software for film, TV, and web.

AI & Machine Learning

Free open-source AI & machine learning tools.

AI / LLM Inference

AI/LLM Inference delivers fast, scalable deployment of large language models for generating AI responses.

AdGuard

AdGuard is a cross-platform ad blocker that filters web content and protects privacy.

Ad Blocker

Ad Blocker is a browser tool that removes intrusive ads and pop-ups from web pages.

Acorn 7

Acorn 7 is a Mac image editor for editing photos and creating graphics.