Android Apps to Search by Tags

Omni Notes is a versatile open-source note-taking application for Android. It emphasizes simplicity, lightweight design, and offline functionality while providing robust features for organizing and managing your notes effectively.

Org-mode is a powerful and flexible mode for GNU Emacs, designed for note-taking, project planning, to-do list management, and authoring documents. It utilizes simple plain text files with intuitive markup.

WizNote is a feature-rich, cross-platform cloud-based note-taking application designed for individuals and teams. It offers robust tools for capturing, organizing, and sharing information, with a strong focus on productivity and knowledge management.

Nirvana is a cloud-based task manager built on the principles of Getting Things Done (GTD). It helps individuals and teams organize, prioritize, and manage their tasks and projects with a focus on clarity and mindful productivity, allowing users to focus on what truly matters.

Producteev is a robust task management software designed for teams to collaborate effectively and streamline workflows. It offers a centralized platform for organizing tasks, managing projects, and tracking progress, catering to various team sizes and complexities.

Simplenote is a minimalist note-taking application designed for speed and efficiency. It provides a clean interface across multiple platforms, focusing on text-based notes with robust synchronization and versioning capabilities. Ideal for capturing ideas quickly and accessing them anywhere.

Tumblr is a unique microblogging and social networking platform popular for its visual content sharing, including photos, GIFs, and text. It offers users a space for creative expression and community building around shared interests.

Notezilla is a robust sticky notes application for Windows, offering a flexible and feature-rich way to capture, organize, and manage information. It provides a familiar sticky note interface with powerful capabilities like reminders, checklists, cloud sync, and collaboration features, making it ideal for personal and professional use.