SDLC Observability Tools: CDviz vs Swarmia, LinearB, DevLake & More
CDviz is an open-source, self-hosted alternative to commercial SDLC observability tools. Where platforms such as Apache DevLake or proprietary tools like Datadog CI Visibility are built on a polling-only, proprietary data model, CDviz is built on the open CDEvents standard — every input is normalized to CDEvents, whether pushed in real time (webhooks, Kafka, NATS, SSE) or pulled when push isn't available (HTTP polling, file inputs). This gives teams both observability and the foundation for event-driven automation — observe your pipelines before acting on them.
The comparisons below cover architecture, integrations, data ownership, and when to choose each tool.
CDviz vs. similar tools
| Tool | License | Self-hosted | CDEvents | Commercial support | Data model |
|---|---|---|---|---|---|
| CDviz | Apache 2.0 | ✅ | ✅ native | ✅ | Event-driven (push) |
| Apache DevLake | Apache 2.0 | ✅ | ❌ | ❌ | Pull-based (polling) |
| Datadog CI | Proprietary | ❌ | ❌ | ✅ (included) | Trace-based (push) |
| DevStats | Proprietary | ❌ | ❌ | ✅ (included) | Pull-based (polling) |
| CNCF DevStats | Apache 2.0 | ✅ | ❌ | ❌ | Pull-based (polling) |
| GetDX | Proprietary | ❌ | ❌ | ✅ (included) | Pull-based (polling) |
| Jellyfish | Proprietary | ❌ | ❌ | ✅ (included) | Pull-based (polling) |
| LinearB | Proprietary | ❌ | ❌ | ✅ (included) | Pull-based (polling) |
| Middleware | Apache 2.0 | ✅ | ❌ | ✅ (paid tiers) | Pull-based (polling) |
| Powerpipe | Apache 2.0 | ✅ | ❌ | ❌ | Pull-based (polling) |
| Sleuth | Proprietary | ❌ | ❌ | ✅ (included) | Event-based (push) |
| Splunk | Proprietary | ✅/SaaS | ❌ | ✅ (included) | Log/metric ingestion |
| Swarmia | Proprietary | ❌ | ❌ | ✅ (included) | Pull-based (polling) |
CDviz is free and open-source (Apache 2.0). Commercial support is available as an optional add-on.
The "data model" column reflects how each tool stores data, not just how it collects it: CDviz normalizes both pushed and pulled inputs to CDEvents — HTTP polling covers historical backfill and webhook-less systems (Jenkins Remote API, legacy CI) — while the polling-only tools below are tied to a proprietary domain model.
CDviz ships with fewer ready-made integrations than the larger SaaS platforms, but it is a toolkit rather than a closed product: the collector, database, and dashboards each work standalone and are customizable and extensible. You add the integrations you need — custom sources, transformers, and storage backends — instead of depending on a fixed catalog.
Detailed comparisons
Apache DevLake
Open-source engineering metrics platform (Apache Incubating). Ingests data from 50+ tools (Jira, GitHub, Jenkins…) via polling. Uses a proprietary domain model, not CDEvents.
Datadog CI Visibility
Fully-managed SaaS pipeline and test observability. Best when already using Datadog for APM/infra. Proprietary, vendor-hosted data model.
→ CDviz vs Datadog CI Visibility
DevStats (commercial)
Commercial SaaS platform for engineering metrics. Pulls data from GitHub, GitLab, and Bitbucket via API polling. Focused on git and PR-centric metrics (cycle time, DORA, PR review time) with built-in dashboards for engineering leadership. No self-hosted option.
CNCF DevStats
Open-source community health analytics tool maintained by the CNCF (github.com/cncf/devstats). Ingests GitHub Archive data (hourly) to track contributor activity, company attribution, PR review times, and SIG workload for public open-source projects. Uses PostgreSQL + Grafana. Not designed for private pipelines or SDLC observability. Unrelated to the commercial DevStats SaaS.
LinearB
Commercial SaaS platform for engineering metrics. Focuses on git and PR-centric metrics — cycle time, PR review depth, merge frequency, DORA — by polling GitHub, GitLab, and Jira. Offers AI-powered PR review routing and automation. No self-hosted option.
Splunk
General-purpose data platform for log aggregation, SIEM, and operational monitoring. Can be configured for CI/CD pipeline visibility and DORA metrics, but requires significant setup. Available as self-hosted (Splunk Enterprise) or SaaS (Splunk Cloud). Volume-based pricing (GB/day).
GetDX
Commercial SaaS platform that combines quantitative engineering metrics (DORA, PR analytics) with qualitative developer experience surveys based on the SPACE and DX Core frameworks. Targets engineering leaders running formal Developer Experience programs. No self-hosted option.
Jellyfish
Commercial SaaS platform for engineering management intelligence. Focuses on mapping engineering investment to business initiatives via Jira and GitHub data. Primary buyers are VPs and engineering directors. No self-hosted option.
Middleware
Open-source DORA metrics platform (Apache 2.0, ~1.5k GitHub stars). Polls GitHub, GitLab, and Jira to compute DORA metrics, PR review analytics, and sprint flow insights. Offers AI-generated sprint reports and Slack automation on paid tiers. Available as self-hosted Docker or SaaS ($39/user/month Standard). Uses a proprietary data model, not CDEvents.
Powerpipe
Open-source dashboarding tool from Turbot. Visualizes cloud configurations and security posture. Can be extended for DevOps metrics. Pull-based, query-driven model.
Sleuth
Commercial SaaS DORA metrics platform. Tracks deployments, change failure rates, and lead time by connecting to GitHub, GitLab, Jira, and Slack. Focused on deployment observability with a polished, low-setup experience. No self-hosted option.
Swarmia
Commercial SaaS engineering effectiveness platform. Tracks DORA metrics, PR cycle times, code review quality, and engineering investment distribution. Lets teams set working agreements. No self-hosted option.
Get started with CDviz
Self-host CDviz — free, Apache 2.0. Or join the SaaS waitlist.
Turbot companion tools
CDviz focuses on SDLC event observability. For adjacent DevOps needs, the Turbot open-source suite covers complementary ground:
- steampipe — query cloud APIs with SQL
- flowpipe — workflow automation for DevOps
- tailpipe — open-source SIEM for log insights (DuckDB-powered)
- powerpipe — dashboards over current cloud state (see comparison)