Database systems buyers have to compare very different tools: key-value stores, distributed SQL engines, Postgres interfaces, streaming databases, graph databases, vector search engines, and embedded local databases. This July 2026 section uses ToolVitals data for 23 open/source-visible Database Systems Tools, with each tool shown alongside its health score, shipping score, GitHub stars, ToolVitals score, status, openness_label, and license_label.
The ranking is limited to open/source-visible tools and sorted by ToolVitals score first, with GitHub stars used only as a secondary popularity signal when scores are tied. In this data set, every ranked tool is labeled OSI-approved OSS, but the license_label still matters: the list includes BSD-3-Clause, Apache-2.0, AGPL-3.0, GPL-3.0, and MIT projects.
Rankings
| Rank | Tool | Openness | License | Health | Shipping | GitHub Stars | Score | Status |
|---|---|---|---|---|---|---|---|---|
| 1 | Valkey | OSI-approved OSS | BSD-3-Clause | 95 | 100 | 26424 | 98 | 🟢 Excellent |
| 2 | MCP Toolbox | OSI-approved OSS | Apache-2.0 | 98 | 95 | 15838 | 98 | 🟢 Excellent |
| 3 | TablePro | OSI-approved OSS | AGPL-3.0 | 90 | 100 | 4833 | 96 | 🟢 Excellent |
| 4 | Spice.ai | OSI-approved OSS | Apache-2.0 | 91 | 100 | 3009 | 96 | 🟢 Excellent |
| 5 | S2 | OSI-approved OSS | MIT | 93 | 98 | 548 | 96 | 🟢 Excellent |
| 6 | RisingWave | OSI-approved OSS | Apache-2.0 | 91 | 95 | 9143 | 94 | 🟢 Excellent |
| 7 | YDB | OSI-approved OSS | Apache-2.0 | 92 | 89 | 4744 | 93 | 🟢 Excellent |
| 8 | SereneDB | OSI-approved OSS | Apache-2.0 | 86 | 93 | 552 | 92 | 🟢 Excellent |
| 9 | PgLite | OSI-approved OSS | Apache-2.0 | 93 | 82 | 15498 | 91 | 🟢 Excellent |
| 10 | Mathesar | OSI-approved OSS | GPL-3.0 | 85 | 93 | 5026 | 91 | 🟢 Excellent |
| 11 | Trino | OSI-approved OSS | Apache-2.0 | 86 | 83 | 12988 | 89 | 🟢 Excellent |
| 12 | HelixDB | OSI-approved OSS | Apache-2.0 | 87 | 83 | 5548 | 89 | 🟢 Excellent |
| 13 | Neo4j | OSI-approved OSS | GPL-3.0 | 95 | 70 | 16827 | 88 | 🟢 Excellent |
| 14 | SeMI | OSI-approved OSS | BSD-3-Clause | 79 | 100 | 16489 | 88 | 🟢 Excellent |
| 15 | PRQL | OSI-approved OSS | Apache-2.0 | 80 | 81 | 10875 | 86 | 🟢 Excellent |
| 16 | RxDB | OSI-approved OSS | Apache-2.0 | 77 | 75 | 23246 | 82 | 🟢 Excellent |
| 17 | YantrikDB | OSI-approved OSS | AGPL-3.0 | 81 | 75 | 164 | 82 | 🟢 Excellent |
| 18 | Rayforce | OSI-approved OSS | MIT | 63 | 88 | 207 | 79 | 🟢 Good |
| 19 | slothdb | OSI-approved OSS | MIT | 72 | 65 | 439 | 77 | 🟢 Good |
| 20 | AceBase | OSI-approved OSS | MIT | 61 | 80 | 521 | 75 | 🟢 Good |
| 21 | Apache AGE | OSI-approved OSS | Apache-2.0 | 76 | 41 | 4641 | 70 | 🟢 Good |
| 22 | GridDB | OSI-approved OSS | AGPL-3.0 | 35 | 4 | 2476 | 36 | 🔴 Needs Attention |
| 23 | Lantern | OSI-approved OSS | AGPL-3.0 | 24 | 0 | 888 | 29 | 🔴 Needs Attention |
Top 3 Highlights
Valkey ranks first with a ToolVitals score of 98, a shipping score of 100, and a health score of 95. It ties MCP Toolbox on ToolVitals score, but its 26,424 GitHub stars give it the higher position under the stated tie-breaker. The supplied description frames it as a flexible distributed key-value database optimized for caching and other realtime workloads.
MCP Toolbox ranks second with a ToolVitals score of 98, combining the highest health score in the list at 98 with a shipping score of 95. Its 15,838 GitHub stars make it a highly visible project, but below Valkey for the secondary tie-breaker. The supplied description is narrow and practical: MCP Toolbox for Databases is an open source MCP server for databases.
TablePro ranks third with a ToolVitals score of 96, a shipping score of 100, and a health score of 90. The data positions it as a native macOS database client for MySQL, PostgreSQL, SQLite, MongoDB, Redis, and more than 15 other systems, so its value is breadth of database access rather than a single database engine.
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