kopiavsOpenSearch
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| kopia | OpenSearch | |
|---|---|---|
| Score | 75/100 | 76/100 |
| Rank in category | #2 of 46 in Backup | #7 of 41 in Search Engines |
| GitHub stars | 14 519 | 13 927 |
| Stars, last 30 days | +321 | +152 |
| Stable releases, 12 months | 6 | 11 |
| Latest release | v0.23.1 · 16 Jun 2026 | 2.19.7 · 17 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Go | Java |
Which one should you pick?
OpenSearch scores 76/100 against 75/100 for kopia, so it is the safer default.
OpenSearch ships more often: 11 stable releases in the past year, against 6 for kopia.
If you want the quickest setup, kopia is easier to run; OpenSearch needs more configuration.
kopia is growing faster right now (+321 stars in 30 days).
kopia details →OpenSearch details →