# Open source Quicken alternatives for AI agents

2 alternatives to Quicken. 2 have an interface an agent can drive. 2 are open source.

Page: alternatives/quicken.html

## Firefly III

Self-hosted double-entry personal finance manager with a REST API that covers almost everything.

- Listing: apps/firefly-iii--firefly-iii.html
- JSON: apps/firefly-iii--firefly-iii.json
- License: AGPL-3.0
- Agent interface: API, from the builder
- Reach: 9 of 10 jobs
- Last activity: 2026-09-02
- Effort: config-only
- Agent cannot reach: Import bank statements
- Use it when: I want my money tracked on my own server and my agent to file transactions and check budgets
- Use it when: I run a sole trade and need double-entry books without paying for accounting software
- Gotcha: AGPL-3.0: modifications you host for others must be published
- Gotcha: Personal finance by design; no invoicing, client portal or tax reports
- Gotcha: Bank imports need the separate Data Importer container and its own credentials

## Ledger CLI

Plain-text double-entry accounting from the command line; the CLI is the whole interface.

- Listing: apps/ledger--ledger.html
- JSON: apps/ledger--ledger.json
- License: BSD-3-Clause
- Agent interface: CLI, from the builder
- Reach: 8 of 9 jobs
- Last activity: 2026-08-28
- Use it when: I keep my books in a text file in git and want reports without a GUI
- Use it when: I want my agent to append transactions and run balance checks in a script
- Gotcha: No invoicing, no bank sync; you supply the journal
- Gotcha: Python features (--import) need a Python-enabled build, which is off by default
- Gotcha: Community Windows support is weaker than macOS and Linux

## Questions

### Is there an open source alternative to Quicken?

Yes. Both listings here are open source: Firefly III (AGPL-3.0), Ledger CLI (BSD-3-Clause).

### Which Quicken alternatives have an MCP server?

None of these has an MCP server from its builder on record. The recorded interfaces are API and CLI.

### Which Quicken alternative can an agent do the most with?

Firefly III: 9 of 10 recorded jobs reachable. Jobs differ by listing, so read each list before you choose.