ToolVitals
▦

Databases, pipelines, and analytics

Open Data Stack

Source-visible databases, data pipelines, analytics, BI, and catalog tools evaluated as parts of a modern data stack.

356 tracked50 ranked verdictsPublic evidence only

Buyer checklist

What to verify before adopting

  1. Which part of the data lifecycle does the tool own?
  2. How portable are schemas, queries, metadata, and stored data?
  3. Is the project keeping pace with connector, security, and reliability work?

Explore this ecosystem by job

Database Systems67BI & Dashboards38Data Pipelines33Observability28Database Admin23AI Agent Tools19Product Analytics19Web Analytics13

Evidence ranking

Leading projects in this ecosystem

Ordered by ToolVitals score, health, shipping, confidence, and adoption tie-breakers. Openness labels are shown explicitly.

#ToolHealthShippingStarsOpennessScore
1GrafanaOpen-source observability platform10010075.8kOpen core100
2Apache SupersetApache Superset is a Data Visualization and Data Exploration Platform10010074kOSI-approved OSS100
3ClickHouseClickHouse® is a real-time analytics database management system10010048.9kOSI-approved OSS100
4MetabaseOpen-source business intelligence10010048.4kOpen core100
5Langfuse🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W2310010032kOSI-approved OSS100
6KestraEvent Driven Orchestration & Scheduling Platform for Mission Critical Applications10010027.5kOSI-approved OSS100
7PrefectPrefect is a workflow orchestration framework for building resilient data pipelines in Python.10010023.5kOSI-approved OSS100
8TursoTurso is an in-process SQL database, compatible with SQLite.10010023.5kOSI-approved OSS100
9OpenObserveOpen source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.10010020.4kOSI-approved OSS100
10VictoriaMetricsVictoriaMetrics: fast, cost-effective monitoring solution and time series database10010017.4kOSI-approved OSS100
11DagsterAn orchestration platform for the development, production, and observation of data assets.10010015.9kOSI-approved OSS100
12dbtdbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.10010013.5kOSI-approved OSS100
13ConvexThe open-source reactive database for app developers9810012.3kOSI-approved OSS99
14Nao👾 nao is an open source analytics agent. (1) Create context with nao-core cli, (2) deploy nao chat interface for everyone981001.5kOSI-approved OSS99
15SupabaseOpen-source Firebase alternative9895107.1kOSI-approved OSS98
16DuckDBDuckDB is an analytical in-process SQL database management system989539.8kOSI-approved OSS98
17SpacetimeDBDevelopment at the speed of light989524.8kOSI-approved OSS98
18MCP ToolboxMCP Toolbox for Databases is an open source MCP server for databases.989516kOSI-approved OSS98
19PostHogOpen-source product analytics9610037.3kOpen core98
20NhostThe Open Source Firebase Alternative with GraphQL.961009.3kOSI-approved OSS98
21LightdashSelf-serve BI to 10x your data team ⚡️961006kOSI-approved OSS98
22RillThe fastest business intelligence tool for humans and agents.961002.8kOSI-approved OSS98
23OpenVikingSelf-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.9510027.4kOSI-approved OSS98
24ValkeyA flexible distributed key-value database that is optimized for caching and other realtime workloads.9510026.6kOSI-approved OSS98
25CocoIndexIncremental engine for long horizon agents 🌟 Star if you like it!9510011.1kOSI-approved OSS98
26CentreonCentreon is a network, system and application monitoring tool. Centreon is the only AIOps Platform Providing Holistic Visibility to Complex IT Workflows from Cloud to Edge.95100162OSI-approved OSS98
27etcdDistributed reliable key-value store for the most critical data of a distributed system9510052kOSI-approved OSS98
28DBeaverFree universal database tool and SQL client9510051.2kOSI-approved OSS97
29DaguSelf-hosted workflow engine for scripts, cron jobs, containers, and ops automation. YAML workflows, retries, logs, approvals, and optional distributed workers.95983.7kOSI-approved OSS97
30LangWatchThe platform for LLM evaluations and AI agent testing95983.4kOSI-approved OSS97
31MatomoEmpowering People Ethically 🚀 — Matomo is hiring! Join us → https://matomo.org/jobs Matomo is the leading open-source alternative to Google Analytics, giving you complete control and built-in privacy. Easily collect, visualise, and analyse data from websites & apps. Star us on GitHub ⭐️ – Pull Requests welcome!9310021.7kOSI-approved OSS97
32HyperDXResolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.931009.8kOSI-approved OSS97
33GreptimeDBThe open-source Observability 2.0 database. One engine for metrics, logs, and traces — replacing Prometheus, Loki & ES.931006.5kOSI-approved OSS97
34GenkitOpen-source framework for building AI-powered apps in JavaScript, Go, and Python, built and used in production by Google931006.3kOSI-approved OSS97
35TabularisDBA lightweight, cross-platform database client for developers. Supports MySQL, PostgreSQL and SQLite. Hackable with plugins. Built for speed, security, and aesthetics.931003.9kOSI-approved OSS97
36YTsaurusYTsaurus is a scalable and fault-tolerant open-source big data platform.931002.2kOSI-approved OSS97
37FelderaIncremental computation engine.931002kOSI-approved OSS97
38MLRunMLRun is an open source MLOps platform for quickly building and managing continuous ML applications across their lifecycle. MLRun integrates into your development and CI/CD environment and automates the delivery of production data, ML pipelines, and online applications.931001.7kOSI-approved OSS97
39DefectDojoOpen-Source Unified Vulnerability Management, DevSecOps & ASPM931004.9kOSI-approved OSS97
40thunderbird-androidThunderbird for Android – Open Source Email App for Android (fka K-9 Mail)9310013.8kOSI-approved OSS96
41InsForgeOpen-source backend platform for agentic coding with database, auth, storage, compute, hosting, and AI gateway components.939812.5kOSI-approved OSS96
42ELMOOpen source AI visibility tracking.9398205OSI-approved OSS96
43JitsuJitsu is an open-source Segment alternative. Fully-scriptable data ingestion engine for modern data teams. Set-up a real-time data pipeline in minutes, not days92984.8kOSI-approved OSS96
44CrateDBCrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.911004.4kOSI-approved OSS96
45Spice.aiA portable accelerated SQL query, search, and LLM-inference engine, written in Rust, for data-grounded AI apps and agents.91983kOSI-approved OSS96
46TableProNative macOS database client for MySQL, PostgreSQL, SQLite, MongoDB, Redis, and 15+ more. Free and open-source.901005.3kOSI-approved OSS96
47UnstractLLM-Driven Extraction of Unstructured Data — Built for API Deployments & ETL Pipeline Workflows96896.9kOSI-approved OSS95
48Apache AirflowApache Airflow - A platform to programmatically author, schedule, and monitor workflows939546.3kOSI-approved OSS95
49MilvusMilvus is a high-performance, cloud-native vector database built for scalable vector ANN search939545.4kOSI-approved OSS95
50OpenSearch🔎 Open source distributed and RESTful search engine.939513.4kOSI-approved OSS95

Also on evidence watch

Tracked matches that need stronger public evidence before receiving a ranked verdict.

AceBase93 confidenceAckee100 confidenceActivityWatch100 confidenceAdTruth62 confidenceAI Analyst79 confidenceaisheets97 confidenceAitherOS62 confidenceAltimate Code100 confidencealtk-evolve88 confidenceAnyAI80 confidenceAnyquery92 confidenceAnythingLLM100 confidenceApache AGE100 confidenceApache DevLake100 confidenceApache OFBiz83 confidenceAppsmith100 confidenceAppwrite100 confidenceAptabase100 confidencearcadedb100 confidenceArroyo85 confidenceAtomic Server89 confidenceAtroCore90 confidenceAuto Analyst62 confidenceAutobase94 confidence