|This article relies too much on references to primary sources. (July 2014)|
|Developer(s)||Fog Creek Software
Trello Inc. (as of October 2014)
|Initial release||September 13, 2011|
It operates a freemium business model, as well as being cross-subsidized by other Fog Creek Software products. A basic service is provided free of charge, though a Business Class paid-for service was launched in 2013.
In July 2012, the site surpassed 500,000 users. They then claimed December 2012, it had surpassed 1,000,000 and in May 7, 2014 claimed the number to be four million. On September 18, 2014 Trello reached over five million users.
Trello was released at a TechCrunch event by Fog Creek founder Joel Spolsky. Wired magazine named the application in September 2011 one of "The 7 Coolest Startups You Haven’t Heard of Yet". Lifehacker said it "makes project collaboration simple and kind of enjoyable".
In 2014, it raised $10.3 million in funding from Index Ventures and Spark Capital.
Trello uses the kanban paradigm for managing projects, originally been popularized by Toyota in the 1980s for supply chain management. Projects are represented by boards, which contain lists (corresponding to task lists). Lists contain cards (corresponding to tasks). Cards are supposed to progress from one list to the next (via drag-and-drop), for instance mirroring the flow of a feature from idea to implementation. Users can be assigned to cards. Users and boards can be grouped into organizations.
It supports iPhone, Android and Windows 8 mobile platforms, however, its website has been designed to be accessible in most mobile web browsers. An iPad application was released on March 12, 2013. It added support for an unlimited number of tags, in the form of colored labels that can be renamed and new ones created, starting November 21, 2014. Cards accept comments, attachments, votes, due dates and checklists. Trello has an API. Users may organize projects through the utilization of boards, lists and cards, which form a bespoke data hierarchy that facilitates effective management of projects, jobs and tasks.
Trello has a variety of work and personal uses including real estate management, software project management, school bulletin boards, lesson planning, and law office case management. A rich API as well as email-in capability enables integration with enterprise systems, or with cloud-based integration services like IFTTT and Zapier.
- "A Special Announcement: Trello is now part of Trello, Inc.". Retrieved July 24, 2014.
- "Trello How much does it cost?".
- Ye, Tina (July 9, 2012). "Trello is now 500,000 strong". Trello. Retrieved July 11, 2012.
- Cervino, Brian (May 7, 2014). "Four Million to One (Or How I Handle Trello Support)". Trello.
- Gallagher, Justin (January 8, 2013). "Thanks a Million!". Trello. Retrieved April 8, 2014.
- Gallagher, Justin (January 8, 2013). "Thanks a Million!". Trello. Retrieved September 18, 2014.
- Rao, Leena (September 13, 2011). "Joel Spolsky’s Trello Is A Simple Workflow And List Manager For Groups". TechCrunch. Retrieved February 10, 2012.
- "The 7 Coolest Startups You Haven’t Heard of Yet". Wired.com. September 16, 2011. Retrieved September 16, 2011.
- "Lifehacker Trello Review". Lifehacker.com. Retrieved May 10, 2013.
- "Digital Whiteboard Trello Spins Out of Fog Creek With $10.3M". The Wall Street Journal. Jul 24, 2014.
- "Trello homepage".
- "Trello for iPad is here".
- "Trello blog: Introducing Unlimited Labels".
- "Trello API development board".
- Root, Daniel (February 9, 2014). "Trello Dojo". Retrieved July 15, 2014.
- Kiefer, Brett (January 19, 2012). "The Trello Tech Stack". Retrieved January 8, 2013.
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