Open source on Hacker News
How Open source changed in Hacker News story titles from 2007 through 2026, with annual title share, peak year, sources, and coverage limits.
Data through 2026-07-13
In 2025, Open source appeared in 1.518% of Hacker News story titles. Its share fell by 0.016 percentage points from 2024. The series peaks in 2026 at 1.906%.
Annual title share
Each value is the share of all retained Hacker News story titles in that calendar year matching this topic's bounded title pattern. Different topics can overlap.
| Year | Share of story titles | Coverage |
|---|---|---|
| 2007 | 0.642% | Full year |
| 2008 | 0.957% | Full year |
| 2009 | 0.795% | Full year |
| 2010 | 0.700% | Full year |
| 2011 | 0.641% | Full year |
| 2012 | 0.699% | Full year |
| 2013 | 0.772% | Full year |
| 2014 | 0.839% | Full year |
| 2015 | 0.909% | Full year |
| 2016 | 0.886% | Full year |
| 2017 | 0.809% | Full year |
| 2018 | 0.880% | Full year |
| 2019 | 0.912% | Full year |
| 2020 | 0.992% | Full year |
| 2021 | 1.014% | Full year |
| 2022 | 1.131% | Full year |
| 2023 | 1.296% | Full year |
| 2024 | 1.534% | Full year |
| 2025 | 1.518% | Full year |
| 2026 | 1.906% | Partial live year |
Explore and verify
Open Open source in the Attention Lab. Read the methodology and verification ledger. Source records come from the official Hacker News API ↗.
Annual values are each topic's share of that year's HN story titles. The live year is partial; any sampled years are labeled and remain share-normalized.