Apps with 'Reminders' feature

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Free, open-source, local-first task manager and time tracker for desktop, web, Android and iOS, with Pomodoro focus and optional self-hosted sync.

Tuta is an all-in-one email, calendar and contacts app which protects your data with full end-to-end encryption and it requires zero personal information. Tuta is built with open source software so you can inspect every piece of code running on your devices so you can be sure...

Fully open-source, end-to-end encrypted notes with device-based security, secure sync, offline access, powerful editor, vault, backups, and exports.

Multifunctional cross-device tool captures ideas, lists, voice/photo notes. Features color coding, geo-fencing, checklists, and cloud sync.

Organize tasks with boards, lists, and cards, and customizable workflows. Ideal for projects, collaboration, and effortless progress tracking.

Manage events efficiently with device syncing, Gmail integration, event reminders, and shareable schedules on a user-friendly interface with dark mode.

PrivacyNotes is one private place for everything you would never post: rich notes with tables, callouts and note-links, to-do lists and tasks, a daily journal with mood and wellness tracking, encrypted file storage, and a built-in password vault that also shows your 2FA codes.

Open-source client enhancing Thunderbird with more features and bug fixes. Offers security patches and multi-row descriptions like Outlook.

Manages tasks across all platforms with advanced language recognition. It integrates with 60+ tools, and offers templates for various projects.

Your calendar is a record of your life. Proton Calendar helps keep it private.

Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.

Gamify language learning with Duolingo, offering over 30 languages for free. Practice vital skills with intelligent chatbots and community rewards.

Manage time efficiently, organize tasks with lists and tags, and set priorities. Share task lists, attach files, and use collaboration tools.

Take your privacy to the next level with the secure Tuta Calendar app. This encrypted time-management tool is the most private way to organize your busy schedule – and it’s quick to navigate, comes with dark and light mode, plus, it’s perfectly integrated with the Tuta Mail app.

Tasks is libre open-source software, based on the original source code from the popular Astrid Tasks & To Do List! Tasks is easy-to-use, feature-packed, flexible and customizable, and synchronizes with a variety of services.

Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.

Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their long term goals. Detailed graphs help you to better track the progress of your habits.

Gamifies habits, dailies, and to-dos with customizable avatars, team quests, rewards, and collectibles while tracking progress visually on web and mobile.

Task manager with Todoist support designed for GNU/Linux 🚀.

Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

Open-source Android app for focus sessions, screen-time limits, app and internet blocking, notification control, usage insights, and bedtime tools.

Manage complex projects with nested task breakdowns, multi-language support, XML storage, scheduling, and customizable printing via advanced formatting.

Offline-first app for organizing tasks and notes, with smart creation, calendar view, Markdown and encryption, Material You design, and no tracking or ads.