Saptak Sengupta



OnionShare is an open source tool that lets you securely and anonymously share a file of any size. I am working with the team on improving, adding and maintaining different features of OnionShare. working in Flask and PyQT.

The A11Y Project

The A11Y Project is a website catered towards various contents and resources related to web accessibility. "Accessibility is incredibly important, yet often overlooked in traditional digital design and development education. Because of this, The A11Y Project strives to be a living example of how to create beautiful, accessible, and inclusive digital experiences."


Open Observatory of Network Interference (OONI) is a free software, global observation network for detecting censorship, surveillance and traffic manipulation on the internet. I am contributing in improving design implementation in the main website, while also working on OONI Explorer to implement different features


Weblate is a web-based continuous localization platform used by over 1150 libre software projects. I am working in the Weblate project along with the team to improve frontend implementations and also improve API works. Most of the work involves Django and jQuery


Bomkesh is a tool to monitor and block your mobile network traffic. I am working with Kushal Das on implementing a tool to make it easier for users to monitor their mobile network traffic better to see which all network interactions are happening even when phone not in use. Working mostly in Python and Flask

OTF Result & Impact

Worked with the Ura Design Team to implement the result and impacts page for Open Technology Fund. Most of the work was focused towards frontend development using just HTML & CSS along with making it responsive for different screen sizes and compatible with different browsers.

2020 Demo Week - Prototype Fund

Prototype Fund is a funding program of the Federal Ministry of Education and Research (BMBF) that is managed and evaluated by the Open Knowledge Foundation Germany. Demo Week 2020 by Prototype Fund was an online event showcasing different projects submitted during the funding period.


Worked with the Securedrop Team to replace different Javascript features by CSS-only implementations so as the tool is still functional without any loss in UX at highest security of Tor browser. Worked mostly in CSS and writing Selenium tests.


Worked actively in various refactoring and adding shadow DOM features in vanilla Javascript to the core jQuery codebase. Also helped in fixing bugs and issues in different modules.


Drover is a mobile website for organisers of events of gatherings to communicate. Worked as Full Stack Developer making the entire application, using Django, jQuery and PostgreSQL.