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Comparison · DevOps
Rivet vs Eclipse Theia
A side-by-side editorial comparison of Rivet and Eclipse Theia — release velocity, themes, recent moves, and the top alternatives to consider.
Rivet vs Eclipse Theia: at a glance
| Feature | Rivet | Eclipse Theia |
|---|---|---|
| Sector | DevOps | DevOps |
| Velocity score | 7.5 | 5.0 |
| Sparks · 30d | 3 | 0 |
| Top themes | actors, ai agents, sqlite, forking | ide, eclipse, open source, electron |
| Last editorial update | 2d ago | 8d ago |
| Website | — | Visit → |
What is Rivet?
Rivet Actors can now fork in 20 ms, SQLite database included, without copying data.
Rivet builds infrastructure for long-lived actors and AI agents: BYOC, OpenTelemetry tracing, actor-scoped JWTs and agentOS Hosted VMs. The 3.0 Preview made Rivet a single stateless binary on S3, and the Rust SDK reached general availability on 6 November. On 11 November Rivet added actor forking: a fork starts in 20 ms with the original actor's state and SQLite database and costs nothing until it writes.
What is Eclipse Theia?
Theia 1.77 ships with 38 contributors, but its notes still live elsewhere.
Eclipse Theia shipped v1.77.0 on November 5, about six weeks after 1.76.0, with 38 contributors listed. As before, the release entry links to external release notes and a breaking-changes page instead of describing what changed. The 1.74 maintenance line received only Electron upgrades in between.
Rivet vs Eclipse Theia: editorial side-by-side
Rivet
7.5DEVOPS
Rivet Actors can now fork in 20 ms, SQLite database included, without copying data.
◆ Current state
Rivet builds infrastructure for long-lived actors and AI agents: BYOC, OpenTelemetry tracing, actor-scoped JWTs and agentOS Hosted VMs. The 3.0 Preview made Rivet a single stateless binary on S3, and the Rust SDK reached general availability on 6 November. On 11 November Rivet added actor forking: a fork starts in 20 ms with the original actor's state and SQLite database and costs nothing until it writes.
◆ Where it's heading
Rivet keeps turning its S3-backed storage engine into features for agent workloads. Copy-on-write forking follows from the 3.0 storage design and gives agents a cheap way to branch a session, try something and discard it. The SDK and auth work of the past two months points to Rivet positioning actors as the runtime for agent backends.
◆ Prediction
Forking is likely to show up next in agentOS and the Pi integrations as a way to branch agent runs; the entries do not say when 3.0 leaves preview.
Eclipse Theia
5.0DEVOPS
Theia 1.77 ships with 38 contributors, but its notes still live elsewhere.
◆ Current state
Eclipse Theia shipped v1.77.0 on November 5, about six weeks after 1.76.0, with 38 contributors listed. As before, the release entry links to external release notes and a breaking-changes page instead of describing what changed. The 1.74 maintenance line received only Electron upgrades in between.
◆ Where it's heading
Theia holds a steady minor-release rhythm with a broad contributor base, while the maintenance line gets dependency updates. The changelog itself carries little product information, so direction is hard to read from it.
◆ Prediction
Expect 1.78 in roughly four to six weeks and further Electron bumps on the maintenance line; what features land is not visible in these entries.
Alternatives to Rivet and Eclipse Theia
Other DevOps products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Rivet or Eclipse Theia.
Appsmith
Appsmith 2.7 makes its MCP agent ask before deleting widgets and blocks stale edits.
Apache Arrow Rust
Arrow Rust cuts release candidates on three older lines at once.
Sanity
Sanity's MCP server now explains failed validations and stops skipping them.
GitHub
GitHub sets a December 8 cutoff for ARM32 Actions runners and opens AI Scan to the API.
Manticore Search
Manticore keeps patching 31.x, now fixing a FREEZE crash and a DocID ordering bug.
See all Rivet alternatives → · See all Eclipse Theia alternatives →
Recent activity from Rivet and Eclipse Theia
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoRivetIntroducing OpenOrange: Run Cloudflare Workers Anywhere ⚡
- 3d agoRivetIntroducing Actor Forking for SQLite ⚡
- 8d agoRivetRust SDK for Rivet Actors Is Now Generally Available
- 8d agoEclipse TheiaEclipse Theia v1.77.0
- 19d agoRivetIntroducing Rivet 3.0 Preview ⚡
- 22d agoEclipse TheiaTheia 1.74.3 upgrades Electron
- 1mo agoRivetIntroducing agentOS 0.4 & Hosted VMs
- 1mo agoRivetIntroducing Pi Durable for Rivet
- 1mo agoEclipse TheiaTheia 1.74.2 upgrades Electron
- 1mo agoEclipse TheiaEclipse Theia v1.76.0
- 2mo agoEclipse TheiaEclipse Theia v1.75.0
- 3mo agoEclipse TheiaNative Dependencies - Next (2026-08-07)
Frequently asked questions
What is the difference between Rivet and Eclipse Theia?
They serve adjacent needs but don't currently overlap on shipped themes. Rivet is currently shipping more aggressively (velocity 7.5 vs 5.0), with 3 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Rivet better than Eclipse Theia?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Rivet is currently shipping more aggressively (velocity 7.5 vs 5.0), with 3 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other DevOps products to evaluate alongside.
What are the best alternatives to Rivet?
Top Rivet alternatives in DevOps are ranked by recent ship velocity. Browse the "Rivet alternatives" section above for the current picks, or visit /alternatives/rivet for the full list with editorial commentary on each.
What are the best alternatives to Eclipse Theia?
Top Eclipse Theia alternatives in DevOps are ranked by recent ship velocity. Browse the "Eclipse Theia alternatives" section above for the current picks, or visit /alternatives/theia for the full list with editorial commentary on each.