Best Organizer Apps

Open Source

Laverna is a JavaScript note taking application with Markdown editor and encryption support.

Free Personal

XnView MP is the enhanced version of XnView Classic. It is a powerful cross-platform media browser, viewer and converter.

TiddlyWiki

Open Source

TiddlyWiki is an open-source single page application wiki in the form of a single HTML file that includes CSS, JavaScript, and the content.

Raindrop.io

Freemium

Raindrop.io syncs bookmarks into the cloud and makes them beautiful as well as easy to search.

Alternote

Commercial

Alternote is a note-taking app for Mac OS X. Alternote is an alternative Evernote client for Mac with Markdown support.

Kifi

Free

Kifi creates a full-text index of every web page shared, making them easier to find in Slack, Google search.

DropIt

Open Source

DropIt is an opensource tool to organize files and folders.

Zoner Photo Studio

Commercial

Zoner Photo Studio is a bitmap editor and image file manager is one of the most widely used programs for editing digital photographs.

Where Is It?

Commercial

WhereIsIt is a Windows application, designed to organize and maintain a catalog of your computer media collection, including CD-ROMs, audio CDs, MP3s, etc.

Nuclino

Freemium

Nuclino is a cloud-based team collaboration software which allows teams to collaborate and share information in real-time.

Daminion

Freemium

Daminion specializes in LAN-based digital image management systems optimized for small teams, but their standalone Windows client is available for free.

Kontact

Open Source

Kontact is a personal information manager and groupware software suite developed by KDE. It supports calendars, contacts, notes, to-do lists, news, and email.