What is Signal-iOS built with?

The ones that share most of its stack: immich-app/immich, moeru-ai/airi, and seaweedfs/seaweedfs.

Signal-iOS is a Swift repo. It deploys with Fastlane and Apple. It has 788,099 written lines, with 367 test files.

Read on November 11, 2026, at commit 32b101a. Read it as markdown

The card says what it's built with. Its whole map opens it up: every part of the code and how it connects to the rest.

Frontend

Ordered by how much of its stack they share with Signal-iOS, then by stars.

immich-appimmich
118.9k
High performance self-hosted photo and video management solution.
1 of 5 in common · TypeScript
moeru-aiairi
51.3k
💖🧸 Self hosted, you-owned Grok Companion, a container of souls of waifu, cyber livings to bring them into our worlds, wishing to achieve Neuro-sama's altitude. Capable of realtime voice chat, Minecraft, Factorio playing. Web / macOS / Windows supported.
1 of 5 in common · TypeScript
seaweedfsseaweedfs
35.9k
SeaweedFS is a distributed storage system for object storage (S3), file systems, Iceberg table buckets, and Lance vector buckets, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.
1 of 5 in common · Go
jitsijitsi-meet
30.2k
Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.
1 of 5 in common · TypeScript
signalappSignal-Android
29.6k
A private messenger for Android.
1 of 5 in common · Kotlin
super-productivitysuper-productivity
23.4k
Super Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.
1 of 5 in common · TypeScript