Sometime Alternatives

Toucan tasks is a super easy to use app that integrates: calendar + todo + notes + project management. It's available for MAC computers, iPhone and iPod touch (download from App store).

Manage your daily tasks in a fast and simple way. Do It Right allows you to group your tasks into lists and manage them separately.

RightTasks places your Google Tasks in a right sidebar in Gmail, like in Google Calendar.

wunderlistux - An electron wrapper for wunderlist made with :heart: for Linux (specially for elementary OS)

iProcrastinate is a simple, yet powerful task management application that syncs wirelessly with iProcrastinate between Mac and iPhone, or over the internet via Dropbox.

Online TODO list. As a web app it works great on a mobile phone or tablet once you add it to your homescreen. Minimal, open source, fully hosted, with the option for self-hosting.

USticker is free of charge version of "MakerX" app. USticker is notebook app for your iPhone or iPad with set of tools for organizing.

Bringli enables users to set up a list of things that are needed for social activities or events. This list can easily be shared via email or social networks to invite and involve participants. Invitees assign to things they want to bring or add items that are missing.

TaskQue will automatically assign tasks based on the resource workload, so they are never overwhelmed with too many tasks.

TakeAction iOS app combines a game and the Getting Things Done approach. Great for people who want to achieve their long-term goals.

Collaborative Task Management Software EASY-TO-USE TASK MANAGEMENT SOFTWARE THAT IMPROVES YOUR TEAM EFFICIENCY.

Task Office - existing GTD, to do lists, projects and contacts management apps. Designed to make business planning, scheduling and getting things done more efficient. Task Office makes your plans clear and achievable.