Top Open source SaaS by estimated revenue
The 5 Open source SaaS products with the highest best-estimate monthly revenue among the 5 in this category that have a TrendLens estimate (snapshot 12 October 2026). 2 of them have confidence of 50 or more; the rest rest on a single self-reported or indirect signal and should be treated as leads to verify.
| # | Product | Est. range /mo | Best est. | Confidence | Sources with data / scanned | Estimate based on |
|---|---|---|---|---|---|---|
| 1 | PostHog Desktop | $9.8M–$29.2M | $19.5M | 25 · Low | 11/19 | Self-reported figures (website or launch listing) |
| 2 | Curated Feeds | $58K–$176K | $117K | 25 · Low | 2/18 | Self-reported figures (website or launch listing) |
| 3 | Weave Router 2.0 | $12K–$38K | $25K | 91 · High | 11/19 | Revenue or customer numbers disclosed by the founder, the public pricing page |
| 4 | Open Analytics | $395–$1.2K | $789 | 75 · Medium | 9/19 | Revenue or customer numbers disclosed by the founder, the public pricing page |
| 5 | CRM | $98–$292 | $195 | 36 · Low | 0/18 | Revenue or customer numbers disclosed by the founder |
How this list is built
Products are ranked by best estimate only. Confidence and source counts are shown next to each so you can discount weak estimates. Method: methodology. Category pricing: benchmarks.
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