Theme · updated weekly

Extension API — SaaS tools & trends 2026

3 products Sparkpulse tracks are shipping around extension API. The highest-velocity extension API products right now are frictionless-r, Flarum and ggmapinset (ranked by Sparkpulse's velocity score). The theme runs across 3 sectors, so the momentum you see here is drawn from products competing in different corners of the market. Their velocity scores span 0.0 to 3.8 out of 10, a spread that shows how unevenly shipping cadence is distributed across the field. Below: every tracked product carrying this theme, updated from release data. Everything on this page is regenerated from verified release data, so the ranking reflects the latest changelogs rather than a static list.

Products shipping around extension API

#01frictionless-rfrictionless turns its internals into a public extension surface for Data Package readers3.8alternatives →

#02FlarumFlarum's 2.0 has been in release-candidate territory for most of a year.2.5alternatives →

#03ggmapinsetA ggplot2 inset-map extension that is now infrastructure for other packages0.0alternatives →

Frequently asked questions about extension API

Which SaaS tools ship extension API in 2026?

frictionless-r, Flarum, ggmapinset — the extension API products Sparkpulse tracks, ranked by shipping velocity from verified changelogs.

Which extension API product has the highest shipping velocity?

frictionless-r, with the top velocity score (3.8/10) — Sparkpulse's velocity score is derived from verified release data.

How many products are shipping around extension API?

Sparkpulse currently tracks 3 products carrying the extension API theme, updated continuously from verified release data.