{"adoption": {"forks": 103, "observed_at": "2026-08-28T04:05:11.351617+00:00", "stars": 1614}, "canonical_url": "https://ross.abutalabs.com/products/tonbo", "card": {"archived": false, "artifact_type": "library", "description": "Tonbo is an embedded database for serverless and edge runtimes.", "domain": ["databases", "cloud-computing", "big-data", "developer-tools"], "enriched": true, "function": ["database", "orm", "serialization", "search-engine"], "health_score": 88, "homepage": "https://tonbo.io", "language": "Rust", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["tonbo-io/tonbo"], "name": "tonbo-io/tonbo", "platform": ["rust", "wasm", "cloud", "cross-platform", "serverless"], "pushed_at": "2026-07-18T07:05:57+00:00", "repo": "tonbo-io/tonbo", "stars": 1614, "tags": ["embedded-database", "lsm-tree", "parquet", "arrow", "s3", "serverless", "edge-runtime", "htap", "mvcc", "offline-first", "storage-engine", "data-engineering"], "topics": ["arrow", "big-data", "rust", "store-engine", "embedded-database", "database", "htap", "lsm-tree", "offline-first", "parquet"], "urls": [], "use_cases": ["embed a durable state layer in serverless or edge apps without running a database server", "store append-heavy event data directly in S3 and query it with low overhead", "embed an MVCC + Parquet storage engine inside custom data infrastructure", "run structured persistence in WASM or Cloudflare Workers", "query Parquet files on S3 with Arrow RecordBatch zero-copy scans", "build offline-first applications with local embedded storage"], "what_it_is": "Tonbo is an embedded database library written in Rust for serverless and edge runtimes, storing data as Parquet files on S3 with coordination via a manifest and fully stateless compute. It is Arrow-native, fully async, supports MVCC transactions, and runs on Tokio, WASM, or edge environments like Cloudflare Workers.", "when_to_avoid": ["you need a full client-server SQL database with rich joins and multi-writer coordination", "your workload is write-heavy with frequent updates and deletes rather than append-heavy", "you need strong cross-process or cross-instance transactional guarantees", "you require mature, battle-tested stability for critical production workloads"], "when_to_choose": ["you need an embedded, in-process database with no separate database service to manage", "your compute is stateless (serverless/edge) but your data must be durable on object storage", "you want open Parquet files readable by any tool rather than a proprietary format", "you are building in Rust and want an async-first, Arrow-native storage engine"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/tonbo", "repo": "tonbo-io/tonbo", "role": "main", "score": 63}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:11.351617+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:50:31.858283+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "72b24571988634bb82a6f15969e76906104bd89d8a9cb9ffd4cb090c62d820bf", "fetched_at": "2026-08-28T04:05:11.351617+00:00", "kind": "readme", "missing": false, "url": "https://github.com/tonbo-io/tonbo"}, {"content_hash": "f216968493f68593b25e0a3491503144f7e12b56a306828959a593b9f73ce7fa", "fetched_at": "2026-08-29T11:22:48.016635+00:00", "kind": "homepage", "missing": false, "url": "https://tonbo.io"}, {"content_hash": "b7bd8608d19eb65e2cbcf0ad0b19faeb7af49939d42f224d303851d8cbd88b94", "fetched_at": "2026-08-29T11:22:48.028671+00:00", "kind": "registry_crates", "missing": false, "url": "https://crates.io/api/v1/crates/tonbo"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 93, "longevity": 55, "rhythm": 28}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 779, "days_push": 46, "days_rel": 510, "gap_med": 36, "n_releases_24m": 4}, "score": 63, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}