← All metrics

Datasets, DOIs & repositories

OSF public projects

COS / OSF

627K
projects · 2026-07-20
Gompertz
best-fit model
746K
projected 2027
1.8K250K498K746K2014201620182020202220242026746K 2027
Gompertz (S-curve) fitbest fit (AICc)N(t) = L·e^{−e^{−k(t − t₀)}}
carrying capacity L 1.7Msteepness k 0.156 / yrinflection t₀ 2026 0.9970forecast 746K by 2027

Forecast = 10% of the 13-yr record (1.3 yr ahead). Anchored on the latest value; levels off toward L ≈ 1.7M.

SourceCOS / OSF
Update cadenceweekly
Live endpointhttps://api.osf.io/v2/nodes/?page%5Bsize%5D=1
Parsejson · links.meta.total
Dateprojects
2026-07-20627,245
2026-07-13625,137
2026-07-06622,790
2026-06-24618,482
2026-01-01573,472
2025-01-01501,418
2024-01-01346,961
2023-01-01294,035
2022-01-01240,759
2021-01-01181,393
2020-01-01121,952
2019-01-0179,111
2018-01-0141,615
2017-01-0119,413
2016-01-018,253
2015-01-014,070
2014-01-011,769

Machine-readable: /api/research-data?metric=osf-nodes · back to all metrics

Report errorpmu15@helmholtz-hzi.de