Sites and apps similar to StashSync.app include Obsidian, which has a free version. Other options are Joplin, Super Productivity, Logseq and Anytype. There's no shortage of Note-taking Tools like StashSync.app, with more than 50 alternatives for Mac, Windows, Linux, Android and iPhone.
Zim brings the concept of a wiki to your desktop. Store information, link pages and edit with WYSISYG markup or directly typing some lightweight markup syntax and see it previewed as-you-type. Creating a new page is easy by either clicking on the "Create new note"...
Netherlands
EU
Organizes tasks efficiently with quick add scheduling, 60+ tool integrations, advanced language recognition for recurring tasks, and platform compatibility. It offers project templates, visual task priorities, and personalized productivity insights.
United States
TiddlyWiki is a single html file with all the characteristics of a wiki - including all of the functionality (including editing, saving, tagging and searching) and the style sheet. Because its a single file, its very portable - you can email it, put it on a web server or share...
United Kingdom
Hierarchical note-taking software that is free, open-source, cross-platform. Features include rich text, syntax highlighting, multi-level lists, embedded files, customizable interface, code execution, PDF export, spell check, images & tables, and comprehensive project management support.
The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium
Desktop note app stores plain markdown files with YAML, supports offline-first use, integrated Git repositories for full history, native Claude AI and Codex CLI integration, open source, portable data, keyboard-driven interface, no proprietary lock-in.
ItalyEU
HelixNotes is a local markdown note-taking app built with Rust, Tauri 2.0, and SvelteKit. Your notes are standard .md files on your filesystem - sync with whatever you want or nothing at all.
Organize tasks with lists, tags, and priorities. Share task lists with others, attach files, and set up to 5 reminders per task. Use checklist, note-taking, and Pomodoro timer features for productivity.
Hong Kong SAR China
Offers limitless nested lists for outlining, instant sync on web and mobile, real-time collaboration, file and photo uploads, kanban boards, tagging, offline editing, hoisting for branch focus, content sharing, text highlighting, and Dropbox auto-backup.
United States
Open-source wiki and documentation solution offering real-time collaborative editing, robust permissions, group management, spaces for organizing content, inline commenting, full-page history, advanced full-text search, nested pages, attachments, and flexible storage.
United States
Peru
Workspace fusing browsing, file management, and AI with local-first data; offers note-taking, applet creation, offline media storage, YouTube and PDF interaction, customizable AI-powered notes, citation tools, split views, sidebar navigation, and privacy features.
GermanyEU
