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Comparison · DevOps
Rivet vs WildFly
A side-by-side editorial comparison of Rivet and WildFly — release velocity, themes, recent moves, and the top alternatives to consider.
Rivet vs WildFly: at a glance
| Feature | Rivet | WildFly |
|---|---|---|
| Sector | DevOps | DevOps |
| Velocity score | 7.5 | 2.5 |
| Sparks · 30d | 2 | 0 |
| Top themes | actors, serverless, storage engine, s3 | jakarta ee, security, iiop, cve |
| Last editorial update | 3d ago | 2mo ago |
| Website | — | Visit → |
What is Rivet?
Rivet 3.0 Preview runs as one stateless binary on WarpDrive, with S3 as its only dependency.
Rivet has spent two months building infrastructure for long-lived actors and AI agents: BYOC in customer clouds, OpenTelemetry tracing, actor-scoped JWTs, Pi agent runtimes and agentOS Hosted VMs. On October 5 it said 3.0 would replace NATS with S3. The October 26 3.0 Preview delivers that: a new storage engine, WarpDrive, promises bottomless storage on S3 at SSD speed, and Rivet becomes a single stateless binary.
What is WildFly?
WildFly's first 41.x patch is a security release, with three IIOP CVEs closed at once
WildFly runs a steady train: a Beta, a .0.Final, then a patch release that consolidates fixes and component upgrades. WildFly 41 arrived in July with OIDC scope and request-object support promoted out of preview. The first patch on that line is dominated by security — three CVEs in the IIOP stack covering unauthenticated class loading, a missing-authentication path on the NameService, and a pre-auth denial of service on the listener — plus a long run of dependency upgrades that resolve further advisories.
Rivet vs WildFly: editorial side-by-side
Rivet
7.5DEVOPS
Rivet 3.0 Preview runs as one stateless binary on WarpDrive, with S3 as its only dependency.
◆ Current state
Rivet has spent two months building infrastructure for long-lived actors and AI agents: BYOC in customer clouds, OpenTelemetry tracing, actor-scoped JWTs, Pi agent runtimes and agentOS Hosted VMs. On October 5 it said 3.0 would replace NATS with S3. The October 26 3.0 Preview delivers that: a new storage engine, WarpDrive, promises bottomless storage on S3 at SSD speed, and Rivet becomes a single stateless binary.
◆ Where it's heading
Each release removes operational burden: BYOC moved the control plane into the customer's cloud, and 3.0 reduces the self-hosted footprint to one binary plus an S3 bucket. The agent work (Pi, agentOS) sits on top as the main workload Rivet is courting.
◆ Prediction
Expect benchmarks and migration guidance for 2.x users during the preview, followed by a 3.0 GA. The entry gives no performance numbers, so the SSD-speed claim is unverified.
WildFly
2.5DEVOPS
WildFly's first 41.x patch is a security release, with three IIOP CVEs closed at once
◆ Current state
WildFly runs a steady train: a Beta, a .0.Final, then a patch release that consolidates fixes and component upgrades. WildFly 41 arrived in July with OIDC scope and request-object support promoted out of preview. The first patch on that line is dominated by security — three CVEs in the IIOP stack covering unauthenticated class loading, a missing-authentication path on the NameService, and a pre-auth denial of service on the listener — plus a long run of dependency upgrades that resolve further advisories.
◆ Where it's heading
The releases show the split personality of a mature application server: feature work concentrates in the Beta and .0.Final, while the .1 patch exists to move CVE fixes and component versions to users quickly. The recurring theme across 40.x and 41.x is that the ageing edges of the platform — IIOP, the OIDC client, container base images — are where the risk keeps surfacing, and each patch prunes a little more. WildFly 40.0.1 used the same slot to move container images to JDK 25 and drop JDK 17.
◆ Prediction
Expect a 42 Beta to open the next feature cycle while 41.x continues absorbing component upgrades and advisory fixes on the same patch cadence.
Alternatives to Rivet and WildFly
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 WildFly.
CodeRabbit
CodeRabbit moves its review status to a GitHub check run and keeps Deep Scan coverage fresh.
Apache Arrow Rust
Arrow Rust 60.1.0 ships, redacting Parquet encryption keys and adding read-ahead planning.
Zed
Zed 1.26 adds Pyrefly for Python and debugs WebAssembly from the JavaScript debugger.
Sanity
Sanity's MCP server now advertises itself to agents through a server card and llms.txt.
Kubernetes
Kubernetes moves conformance from the cluster to the workloads running on it.
See all Rivet alternatives → · See all WildFly alternatives →
Recent activity from Rivet and WildFly
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3d agoRivetIntroducing Rivet 3.0 Preview ⚡
- 17d agoRivetIntroducing agentOS 0.4 & Hosted VMs
- 22d agoRivetIntroducing Pi Durable for Rivet
- 24d agoRivetReplacing Our Message Broker with... S3? ⚡
- 28d agoRivetIntroducing Pi 1.0 for Rivet
- 1mo agoRivetIntroducing JWT Authentication for Rivet Actors
- 2mo agoWildFlyWildFly 41.0.1 closes three IIOP CVEs and a Mojarra advisory
- 3mo agoWildFlyWildFly 41 promotes OIDC scope and request-object support
- 4mo agoWildFlyWildFly 41 Beta adds transactions during graceful shutdown
- 4mo agoWildFlyWildFly 40.0.1 moves container images to JDK 25, drops JDK 17
- 5mo agoWildFlyWildFly 40 lands Jakarta Pages 4.0 and WebSocket 2.2 in Preview
- 6mo agoWildFlyWildFly 40 Beta fixes an Elytron brute-force CVE
Frequently asked questions
What is the difference between Rivet and WildFly?
They serve adjacent needs but don't currently overlap on shipped themes. Rivet is currently shipping more aggressively (velocity 7.5 vs 2.5), with 2 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 WildFly?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Rivet is currently shipping more aggressively (velocity 7.5 vs 2.5), with 2 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 WildFly?
Top WildFly alternatives in DevOps are ranked by recent ship velocity. Browse the "WildFly alternatives" section above for the current picks, or visit /alternatives/wildfly for the full list with editorial commentary on each.