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TypeWeb application

Overleaf, formerly WriteLaTeX[1][2] is an open-source collaborative, cloud-based LaTeX editor used for writing, editing and publishing scientific documents. It partners with a wide range of scientific publishers to provide official journal LaTeX templates, and direct submission links.[3][4][5]

Overleaf was co-founded in 2012, by John Hammersley and John Lees-Miller. Both are mathematicians and were inspired by their own experiences in academia to create a better solution for collaborative scientific writing.[6][7]

Overleaf is a privately held company run by its two founders. The company received strategic investment from Digital Science in 2014, after being part of the Bethnal Green Ventures accelerator programme in 2013.[8]. Overleaf won Innovative Internet Business at the 2014 Nominet Internet Awards[9], and featured 99th in SyndicateRoom's 2018 list of Britain's top 100 fastest-growing business.[10]

On January 14th 2016, Overleaf founder John Hammersley took part in a Reddit AMA on the r/science subreddit.[11]

On July 20th, 2017, Overleaf acquired ShareLaTeX, to create a combined community of over two million users.[12] Overleaf V2 combined original features from both into a single cloud-based platform hosted at

In March 2019, Overleaf reached over 4 million users worldwide.[13] Customers include universities, including Harvard[14] and MIT[15], alongside research institutions such as CERN.[16][17]

Overleaf is available as an on-premise solution for enterprise companies. It is locally installed for businesses who want to host their data inside their firewalls on local servers.

See also


  1. "Company information". Retrieved 18 November 2019. 
  2. Hammersley, John. "WriteLaTeX is continued Overleaf" (in en). Retrieved 18 November 2019. 
  3. "ScholarOne Partner Program". Retrieved 18 November 2019. 
  4. "New partnership between AIP Publishing and Overleaf provides an enhanced authoring experience". AIP Publishing). 22 October 2018. 
  5. King, George (2 July 2015). "The Overleaf Founder Story". Retrieved 18 November 2019. 
  6. Hammersley, John (10 May 2019). "Interactions: John Hammersley". Retrieved 10 January 2020. 
  7. Bethnal Green Ventures. "write latex" (in en). Retrieved 18 November 2019. 
  8. Nominet. "Nominet Internet Award winners 2014 revealed" (in en). Retrieved 8 January 2020. 
  9. SyndicateRoom and Beauhurst. "Britain's Top 100 fastest-growing businesses 2018" (in en). Retrieved 8 January 2020. 
  10. "r/science - Science AMA Series: I'm John Hammersley, mathematics PhD and co-founder of Overleaf, here to discuss my transition from academia to industry, to becoming a company founder, Ask Me Anything!". Retrieved 18 November 2019. 
  11. "Overleaf and ShareLaTeX join forces to create community of two million". 20 July 2017. Retrieved 18 November 2019. 
  12. Hammersley, John (27 March 2019). "Wow—Four million people now use Overleaf!" (in en). Retrieved 18 November 2019. 
  13. "Harvard University on Overleaf" (in en). Retrieved 18 November 2019. 
  14. "Massachusetts Institute of Technology on Overleaf" (in en). Retrieved 18 November 2019. 
  15. "CERN community can now access Overleaf and ShareLaTeX" (in en). 16 January 2018. Retrieved 18 November 2019. 
  16. Perkel, Jeffrey (10 January 2020). "Three ways to collaborate on writing: Document-sharing tools for scientists." (in en). Retrieved 10 January 2020.