Firefly III
Firefly III keeps tagging develop builds daily, still with no release notes.
A side-by-side editorial comparison of Bigcapital and Kolleno — release velocity, themes, recent moves, and the top alternatives to consider.
| Feature | Bigcapital | Kolleno |
|---|---|---|
| Sector | Finance | Finance |
| Velocity score | 5.0 | 6.3 |
| Sparks · 30d | 0 | 1 |
| Top themes | accounting, open-source, cash-basis, banking | accounts-receivable, collections, cash-forecasting, reconciliation |
| Last editorial update | 12d ago | 2d ago |
| Website | Visit → | — |
Bigcapital adds cash and accrual basis accounting to its open-source books.
Bigcapital is an open-source accounting product releasing every week or two. v0.25.45 (October 23) brings cash and accrual basis accounting across journals, bills, credit notes and vendor credits, with a basis switch on the journal and trial balance reports. The releases before it added bank rules that apply to all accounts, report date presets and Plaid sync fixes, alongside a long run of report-correctness fixes.
Kolleno is stretching from collections software toward the whole cash cycle.
Kolleno ships a bundled monthly update for finance and accounts-receivable teams. Since the June rebuild of its AI Task Manager, most releases have refined that hub, while the newest update adds automated payment matching, AP portal tracking and early-access cash flow forecasting.
Bigcapital is an open-source accounting product releasing every week or two. v0.25.45 (October 23) brings cash and accrual basis accounting across journals, bills, credit notes and vendor credits, with a basis switch on the journal and trial balance reports. The releases before it added bank rules that apply to all accounts, report date presets and Plaid sync fixes, alongside a long run of report-correctness fixes.
The work is moving from features to accounting correctness: aging summaries, cash flow, ledger running balances and sales tax liability were all fixed in September, and the accounting-basis work extends that into how every transaction posts. Security fixes such as secure invite tokens show a codebase hardening for wider self-hosting.
Expect the accounting-basis switch to reach more reports and transaction types in the next releases. Version labels are inconsistent (v0.15.43 sits between v0.25.42 and v0.25.44), so tag numbers are not a reliable guide.
Kolleno ships a bundled monthly update for finance and accounts-receivable teams. Since the June rebuild of its AI Task Manager, most releases have refined that hub, while the newest update adds automated payment matching, AP portal tracking and early-access cash flow forecasting.
The product is moving outward from chasing invoices into reconciliation and forecasting, the adjacent jobs a finance team does with the same data. The Task Manager remains the operational center, with each release adding controls, notifications and e-signature forms around it.
Cash flow forecasting is in early access, so the next updates will likely broaden it toward general availability and connect it to the payment-matching data shipped alongside it.
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 Bigcapital or Kolleno.
Firefly III keeps tagging develop builds daily, still with no release notes.
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See all Bigcapital alternatives → · See all Kolleno alternatives →
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
They serve adjacent needs but don't currently overlap on shipped themes. Kolleno is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 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.
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Kolleno is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 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.
Top Bigcapital alternatives in Finance are ranked by recent ship velocity. Browse the "Bigcapital alternatives" section above for the current picks, or visit /alternatives/bigcapital for the full list with editorial commentary on each.
Top Kolleno alternatives in Finance are ranked by recent ship velocity. Browse the "Kolleno alternatives" section above for the current picks, or visit /alternatives/kolleno for the full list with editorial commentary on each.