Tella is a free & open-source app that protects users documenting human rights violations in repressive environments. Developed by @horizontal
With Tella, you can seamlessly capture, encrypt, and hide photos, videos, and audio directly on your phone.
| Website | https://tella-app.org |
Would you like to help us make Tella more accessible?
We’re hosting a localisation sprint with our friends from Bachchao Project (@tbp
).
We invite volunteers who speak Hindi, Kannada, Tamil, Bengali, and more.
Learn more and sign up:
https://thebachchaoproject.org/event-announcement-localisation-sprint-for-tella-2026/
Tella is an important tool for a journalists and human rights defenders. It helps protect the integrity of documentation of any injustice. The tool would be even more valuable if available in more Indian languages. The Bachchao Project and @tella are hosting a India localisation sprint to make this happen. Join us at the India localisation sprint for Tella on 21st Feb 2026.
https://thebachchaoproject.org/event-announcement-localisation-sprint-for-tella-2026/
New Tella releases 🚀
- Edit media inside Tella's encrypted vault.
- New language support: Ndau
- And many other small features.
More info here: https://blog.wearehorizontal.org/introducing-editing-media-in-tella-june-2025/
Hello dear community, Our latest releases mark the completion of a long-awaited feature: the ability to edit media directly in Tella. Now, users no longer need to export sensitive files from Tella’s encrypted container to edit photos, audio, or videos—making media management both safer and easier. When you
Navigating tough times, but Tella keeps evolving!
📷 Zoom in on images (Android)
🌍 New languages: Tsonga & Portuguese Moz
🔒 Limited photo gallery access (iOS)
🔄 Improved ODK connection (Android)
More details 👇
🔗 https://blog.wearehorizontal.org/a-critical-call-for-support-and-tella-updates-2/
Hi friends, We have exciting new Tella updates to share—updates that make me and the Tella team proud of what we've built together. At the same time, we want to share an important challenge we’re facing and invite you to be part of securing Tella’s future. Right
We're pausing Tella community meetings due to the funding challenges @horizontal_org is facing. We hope we can bring those back soon.
If you have questions or need support, please reach out directly.
🫂More details https://donorbox.org/towards-sustainability
💙Contact us https://tella-app.org/contact-us
The short versionOver the past 5 years, Horizontal has built tools to support those who are most at-risk of surveillance, censorship, and repression: journalists, activists, human rights defenders, indigenous folks, LGBTQ communities. Now, the Tru...
Over the past five years, Horizontal has developed vital tools like @tella to empower those most at risk of surveillance.
However, the recent funding freeze imposed by the Trump administration threatens to dismantle everything we’ve built: our organization, our tools, and our community.
To help us survive as we build new revenue streams to become self-sustaining, we are looking for 250 monthly donors.
Please stand with us: https://donorbox.org/towards-sustainability
The short versionOver the past 5 years, Horizontal has built tools to support those who are most at-risk of surveillance, censorship, and repression: journalists, activists, human rights defenders, indigenous folks, LGBTQ communities. Now, the Tru...
📢 New on Tella!
We've finalized new integrations for Android and iOS:
▪️ Dropbox
▪️ Google Drive
▪️ Nextcloud
Plus, we've added Bengali 🇧🇩 language support, thanks to our friends at
@l10nlab !
✨ Try it out and share your feedback 😀
https://blog.wearehorizontal.org/new-year-new-connections-on-tella-january-2025-2/
More server connections added to Tella in our latest releases! 📁
Organizations and individuals looking to back up their Tella data can now choose from:
🟪Google Drive
🟪Nextcloud
🟪Dropbox
🟪Tella Web
🟪Uwazi
🟪Open Data Kit
Do you have any feedback? happy to chat!
https://blog.wearehorizontal.org/introducing-nextcloud-and-dropbox-connections-november-2024/
Hello Tella Community! I'm sorry I didn't send the October update, we were busy coding a lot of powerful new integrations for Tella on mobile: we’ve added the Dropbox connection for Tella Android and introduced Nextcloud connection for Tella iOS 🎉. We are aiming to share a table full of
New server connection available for Tella iOS: introducing the Google Drive connection! 🚀
Tella allows users to sign in to their Google account directly from Tella and to upload files directly to Google Drive (both personal Google Drive or to any Shared Drive).
More info in our latest blogpost: https://blog.wearehorizontal.org/introducing-the-google-drive-connection-for-tella-ios/
Hello Tella Community! We’re excited to announce that Tella iOS v1.10.0 is now live in the App Store 🎉! Google Drive Connection With this release, Tella users can now upload the data their collected on Tella directly to Google Drive. The connection can be used with a personal
La represión y el control de la información están en aumento en América Latina. Si eres activista, periodista o defiendes los Derechos Humanos en la región, Tella puede ser una herramienta útil.
Tella es una aplicación gratuita y de código abierto que te permite:
🔹Cifrar y ocultar fotos, videos y documentos en tu teléfono
🔹Proteger evidencias de violaciones a DDHH
🔹Resguardar información sensible durante manifestaciones o investigaciones
Publicamos una guía detallada sobre cómo usar Tella en el contexto latinoamericano, incluyendo:
📱Instalación y configuración de la app
⚠️ Uso en situaciones de alto riesgo
🔐Compartir archivos de forma segura
La violencia institucional, el control de la información y las violaciones a la privacidad por parte de las fuerzas de seguridad están en aumento tanto en América Latina como en otras partes del mundo. Algunos ejemplos concretos son la represión a manifestantes reclamando por elecciones transparentes en Venezuela y ciberespionaje
The Bachchao Project
Horizontal