Startups
Kontalk is a secure instant messenger that allows you to send and receive text, image and voice messages (other file types coming soon) to and from other Kontalk users completely free of charge. Your phone number is your ID, so there are no usernames or passwords required.
Kontalk is a completely open-source community project, with all the source code hosted on GitHub (https://github.com/kontalk), allowing everyone to inspect its security and improve it. The network relies on community donations to keep the infrastructure running, so if you can, please donate on http://kontalk.net/. Even small donations matter.
Kontalk is based on rock-solid Internet standards, ensuring interoperability with other services. It relies on a network of servers run by volunteers to provide a stable and secure service for all of Kontalk users. Because of that, Kontalk will always remain free 2.
Kontalk is a completely open-source community project, with all the source code hosted on GitHub (https://github.com/kontalk), allowing everyone to inspect its security and improve it. The network relies on community donations to keep the infrastructure running, so if you can, please donate on http://kontalk.net/. Even small donations matter.
Kontalk is based on rock-solid Internet standards, ensuring interoperability with other services. It relies on a network of servers run by volunteers to provide a stable and secure service for all of Kontalk users. Because of that, Kontalk will always remain free 2.
Overview
Location
United States
Mentions in press and media 2
| Date | Title | Description |
| Sign up to see | Sign up to see | Sign up to see |
| Feb 27, 2023 | Классификация защищённых мессенджеров. Новые проекты | В наше время трудно представить нормальную жизнь без надёжной, защищённой связи. Раньше защищённые мессенджеры с шифрованием использовали преимущественно в бизнесе, армии, финансовой сфере и других чувствительных областях, то теперь они вос... |
Reviews 0
FAQ about Kontalk
What has the press written about Kontalk?
Parsers VC has collected 2 articles mentioning Kontalk, among them “Классификация защищённых мессенджеров. Новые проекты” (Feb 27, 2023).
Is Kontalk still active?
Yes, Kontalk is active; its latest activity on Parsers VC dates from Jan 15, 2026.