Cerulean
Abandoned unmaintainedAn experimental matrix.org web client demonstrating Twitter-style public threaded conversations (MSC2836).
web (microblogging) · licence Apache-2.0
- Web
- Last commit
- Jan 2023 4 years ago · 24 Jan
- Commits, last year
- 0 0 in 90 days
- Authors, 90 days
- 0 0 in a year, 5 ever
- Bus factor
- — no commits in the last year
- Last release
- helm-cerulean-0.1.0 3 Apr 2023 · 0 tags in a year
- Lines of code
- 3.8k JavaScript
AI
Nothing found on any of the three axes. What we look for
PolicyNo policy found (fits the chosen stance)(against the chosen stance) Dev useNone found (fits the chosen stance)(against the chosen stance) In productNone found (fits the chosen stance)(against the chosen stance)- AI in development: No commits in the last 365 days, so no attributed commits; no agent files in the tree.
- Collector: 0 of 0 commits in the last year credit an AI tool (—). 0 agent files, 0 AI workflows. A lower bound: most AI use leaves no trace.
Activity
No commits in the last 365 days; the last one was on 24 Jan 2023. Bots are not counted.
Languages
Apps
| OS | Built with | Status | Minimum OS | Where to get it |
|---|---|---|---|---|
| other | discontinued | not stated | source |
Features
| Feature | Value | How we know | Evidence |
|---|---|---|---|
| SDK | own (direct Client-Server API calls, no SDK dependency) | code | github.com/matrix-org/cerulean/blob/6c9d7814f63b |
| Encryption (E2EE) | No: No README describes public rooms only; no crypto dependency in package.json. | claimed | github.com/matrix-org/cerulean/blob/6c9d7814f63b |
| Cross-signing | Not found: Not found | — | — |
| Key backup | Not found: Not found | — | — |
| Sliding sync | Not found: Not found | — | — |
| Next-gen auth (OIDC) | Not found: Not found | — | — |
| Multiple accounts | Not found: Not found | — | — |
| Threads | Partial: Partial Threads via MSC2836 (not m.thread). | claimed | github.com/matrix-org/cerulean/blob/6c9d7814f63b |
| Spaces | Not found: Not found | — | — |
| 1:1 calls | Not found: Not found | — | — |
| Group calls | Not found: Not found | — | — |
| Reactions | Not found: Not found | — | — |
| Edits | Not found: Not found | — | — |
| Replies | Not found: Not found | — | — |
| Polls | Not found: Not found | — | — |
| Custom emoji | Not found: Not found | — | — |
| Stickers | Not found: Not found | — | — |
| Location | Not found: Not found | — | — |
| Voice messages | Not found: Not found | — | — |
| Rich text editor | Not found: Not found | — | — |
| URL previews | Not found: Not found | — | — |
| Push notifications | Not found: Not found | — | — |
| Private read receipts | Not found: Not found | — | — |
| Presence | Not found: Not found | — | — |
| Room upgrades | Not found: Not found | — | — |
| Moderation tools | Not found: Not found | — | — |
| Accessibility | not-found | — | — |
| Translations | not-found | — | — |
| Telemetry | Not found: Not found | — | — |
| Default homeserver | not-found | — | — |
| Fork-friendliness | not-found | — | — |
Health signals
- Bus factor (last year)
- —
- Issue first response
- not measured (the forge did not give it)
- Release cadence
- 0 tags in the last year, latest helm-cerulean-0.1.0 (3 Apr 2023)
- CI
.github/workflows/docker.yaml.github/workflows/helm.yaml.github/workflows/k8s.yaml- Tests
- test files found
- Security policy
- none found
- Licence
- Apache-2.0
- Funding
- none listed
- Telemetry SDKs in manifests
- none found
Repositories
| Repository | Role | Activity | Last commit | Commits 1y | Authors 90d | Measured at |
|---|---|---|---|---|---|---|
| github.com/matrix-org/cerulean | main | Abandoned | 24 Jan 2023 | 0 | 0 | 6c9d7814f |
Notes
Last commit 2023-04-03. A not-chat client (social/microblogging demo).
Researched by an AI agent (Claude) on 5 Nov 2026, not checked by a person; metrics collected on 5 Nov 2026. Source file: data/projects/client/cerulean.yaml. Spotted a mistake? Open an issue with a link.