Stigg
Stigg adds credit reservation and settlement for AI operations days after its agent SDK.
Comparison · Finance
Fathom vs Firefly III
A side-by-side editorial comparison of Fathom and Firefly III — release velocity, themes, recent moves, and the top alternatives to consider.
Fathom vs Firefly III: at a glance
| Feature | Fathom | Firefly III |
|---|---|---|
| Sector | Finance | Finance |
| Velocity score | 2.5 | 5.0 |
| Sparks · 30d | 0 | 0 |
| Top themes | financial-reporting, forecasting, consolidations, accounting | personal finance, self-hosted, pre-release, open source |
| Last editorial update | 3mo ago | 1d ago |
| Website | — | Visit → |
What is Fathom?
Fathom keeps deepening consolidations and forecasting, but half its feed is scraped marketing pages.
Fathom is a financial analysis, management-reporting, and cash-flow forecasting tool (part of The Access Group) aimed at accountants and advisors, with consolidated reporting as its center of gravity. The genuine changelog entries show steady, focused work: division-level consolidated financials and a batch of forecasting usability gains. Much of the feed, however, is crawl noise, customer-story pages and scraped 'what's new' listing pages ingested as if they were releases.
What is Firefly III?
Firefly III ships seven develop builds in six days, still with no changelog attached.
Firefly III's feed is all automated develop pre-releases: seven builds between Oct 21 and 26, three of them on Oct 24 alone. None of them carries a changelog. Some are boilerplate warnings, others a single bot line. There has been no stable release in the visible window, so users can't tell from the feed what is changing.
Fathom vs Firefly III: editorial side-by-side
Fathom
2.5FINANCE
Fathom keeps deepening consolidations and forecasting, but half its feed is scraped marketing pages.
◆ Current state
Fathom is a financial analysis, management-reporting, and cash-flow forecasting tool (part of The Access Group) aimed at accountants and advisors, with consolidated reporting as its center of gravity. The genuine changelog entries show steady, focused work: division-level consolidated financials and a batch of forecasting usability gains. Much of the feed, however, is crawl noise, customer-story pages and scraped 'what's new' listing pages ingested as if they were releases.
◆ Where it's heading
Real product effort concentrates in two areas: deeper consolidated reporting, now able to analyze performance across divisions within a group, and forecasting usability, with bulk driver actions, a higher microforecast limit, and a more interactive cash-flow grid. The direction is incremental depth in the reporting and forecasting core rather than any new capability surface.
◆ Prediction
Expect continued incremental deepening of consolidation and forecasting, more grouping options and forecasting controls, rather than a directional move. Separately, the crawl source needs attention: customer stories and listing pages are polluting the changelog.
Firefly III
5.0FINANCE
Firefly III ships seven develop builds in six days, still with no changelog attached.
◆ Current state
Firefly III's feed is all automated develop pre-releases: seven builds between Oct 21 and 26, three of them on Oct 24 alone. None of them carries a changelog. Some are boilerplate warnings, others a single bot line. There has been no stable release in the visible window, so users can't tell from the feed what is changing.
◆ Where it's heading
The cadence points to active work toward a next stable release, but the project leaves the record in changelog.md rather than in releases. Until a tagged stable lands, the feed measures commit activity rather than shipped features.
◆ Prediction
What's unclear is when the next stable release lands; the entries give no version target or feature list to anchor a prediction.
Alternatives to Fathom and Firefly III
Other Finance products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Fathom or Firefly III.
InvoiceShelf
InvoiceShelf 3.0 alphas add bills and suppliers, moving it from invoicing into payables.
Shift4
Shift4 starts its Q4 venue rollout in canary while Customer Hub adds enterprise modifiers.
GOAT.tax
GOAT.tax adds Form 6765 Section G reporting for large R&D credit filers.
Kill Bill
Kill Bill keeps two release lines alive with small invoice-template changes.
Zluri
Zluri is turning SaaS management into identity governance, and Segregation of Duties is the pivot.
See all Fathom alternatives → · See all Firefly III alternatives →
Recent activity from Fathom and Firefly III
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoFirefly IIIFirefly III develop build 2026-10-28.1
- 1d agoFirefly IIIFirefly III develop build 2026-10-28
- 3d agoFirefly IIIFirefly III develop build 2026-10-26
- 4d agoFirefly IIIFirefly III develop build 2026-10-25
- 4d agoFirefly IIIFirefly III develop build 2026-10-24.2
- 4d agoFirefly IIIFirefly III develop build 2026-10-24.1
- 4mo agoFathomConsolidated Financials by Division
- 6mo agoFathomForecasting Improvements
- 6mo agoFathomCustomer story: Haydenshapes surfboards
- 6mo agoFathomFathom adds FreeAgent integration
- 6mo agoFathomCustomer story: MAP
- 6mo agoFathomForecast snapshots and actual v forecast reporting
Frequently asked questions
What is the difference between Fathom and Firefly III?
They serve adjacent needs but don't currently overlap on shipped themes. Firefly III is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Fathom better than Firefly III?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Firefly III is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Finance products to evaluate alongside.
What are the best alternatives to Fathom?
Top Fathom alternatives in Finance are ranked by recent ship velocity. Browse the "Fathom alternatives" section above for the current picks, or visit /alternatives/fathomhq for the full list with editorial commentary on each.
What are the best alternatives to Firefly III?
Top Firefly III alternatives in Finance are ranked by recent ship velocity. Browse the "Firefly III alternatives" section above for the current picks, or visit /alternatives/firefly-iii for the full list with editorial commentary on each.