Maybe Finance vs Firefly III vs Actual Budget — Self-Hosted Personal Finance (2026)

Taking control of your finances should not require handing your bank statements to a cloud SaaS. Self-hosted personal finance tools give you complete privacy, zero subscription fees, and total data ownership. This guide compares Maybe Finance (the modern newcomer), Firefly III (the battle-tested powerhouse), and Actual Budget (the envelope budgeting favorite) so you can choose the right tool for your money management.

Maybe Finance (github.com/maybe-finance/maybe) has 54,000+ GitHub stars, making it one of the most starred personal finance projects ever. Let us see how it stacks up against established alternatives.

What Is Self-Hosted Personal Finance Software?

Self-hosted personal finance software is a web application you run on your own server that tracks income, expenses, budgets, investments, and net worth. Unlike Mint, YNAB, or Monarch Money, self-hosted tools keep all your financial data on your own infrastructure — no third-party servers, no data breaches, and no monthly fees.

Quick Comparison Table

Maybe Finance — The Modern Contender

Maybe Finance launched with a bold vision: build a beautiful, modern personal finance app that rivals proprietary tools. Its 54,000+ GitHub stars reflect strong community demand.

Key Features

• Net worth tracking — connects accounts to show your complete financial picture
• Beautiful UI — modern, clean interface that feels like a premium SaaS product
• Account aggregation — track bank accounts, credit cards, investments, and loans in one place
• Transaction categorization — automatic rules for sorting spending
• Investment tracking — portfolio overview with gains/losses
• Multi-currency support — handles accounts in different currencies
• Bank sync — integrates with Plaid or SimpleFIN for automatic transaction import

Docker Compose Setup

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x-db-env: &db_env
  POSTGRES_USER: ${POSTGRES_USER:-maybe_user}
  POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-maybe_password}
  POSTGRES_DB: ${POSTGRES_DB:-maybe_production}

x-rails-env: &rails_env
  <<: *db_env
  SECRET_KEY_BASE: ${SECRET_KEY_BASE}
  SELF_HOSTED: "true"
  RAILS_FORCE_SSL: "false"
  RAILS_ASSUME_SSL: "false"
  DB_HOST: db
  DB_PORT: 5432
  REDIS_URL: redis://redis:6379/1

services:
  web:
    image: ghcr.io/maybe-finance/maybe:latest
    volumes:
      - app-storage:/rails/storage
    ports:
      - 3000:3000
    restart: unless-stopped
    environment:
      <<: *rails_env
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy

  worker:
    image: ghcr.io/maybe-finance/maybe:latest
    command: bundle exec sidekiq
    restart: unless-stopped
    depends_on:
      - redis
    environment:
      <<: *rails_env

  db:
    image: postgres:16
    restart: unless-stopped
    volumes:
      - postgres-data:/var/lib/postgresql/data
    environment:
      <<: *db_env
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 5s
      timeout: 5s
      retries: 5

  redis:
    image: redis:latest
    restart: unless-stopped
    volumes:
      - redis-data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 5

volumes:
  app-storage:
  postgres-data:
  redis-data:

Generate a secure SECRET_KEY_BASE with: openssl rand -hex 64

When to Choose Maybe Finance

• You want the best-looking UI in self-hosted finance
• Investment and net worth tracking are priorities
• You prefer a Ruby on Rails stack for easier contribution

Firefly III — The Double-Entry Accounting Powerhouse

Firefly III has been the gold standard for self-hosted personal finance since 2016. It implements proper double-entry accounting, making it ideal for users who want rigorous financial tracking.

Key Features

• Double-entry accounting — every transaction has a source and destination
• Budgeting and expense tracking — comprehensive budget management
• Bill and subscription tracking — monitor recurring expenses
• Multi-currency — full support for multiple currencies with exchange rates
• REST API — one of the most complete APIs in self-hosted finance
• Import tools — CSV import, Spectre, Salt Edge, and GoCardless integrations
• Rule engine — powerful transaction categorization rules
• Piggy banks — savings goal tracking
• Extensive community — third-party apps, importers, and integrations

Docker Compose Setup

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services:
  firefly:
    image: fireflyiii/core:latest
    restart: unless-stopped
    ports:
      - 8080:8080
    environment:
      - APP_KEY=Your32CharacterSecretKeyHere==
      - DB_HOST=firefly_db
      - DB_PORT=5432
      - DB_CONNECTION=pgsql
      - DB_DATABASE=firefly
      - DB_USERNAME=firefly
      - DB_PASSWORD=firefly_secret
    volumes:
      - firefly-upload:/var/www/html/storage/upload
    depends_on:
      - db

  db:
    image: postgres:16
    restart: unless-stopped
    environment:
      - POSTGRES_DB=firefly
      - POSTGRES_USER=firefly
      - POSTGRES_PASSWORD=firefly_secret
    volumes:
      - firefly-pgdata:/var/lib/postgresql/data

  importer:
    image: fireflyiii/data-importer:latest
    restart: unless-stopped
    ports:
      - 8081:8080
    environment:
      - FIREFLY_III_URL=http://firefly:8080
      - VANITY_URL=http://localhost:8080

volumes:
  firefly-upload:
  firefly-pgdata:

When to Choose Firefly III

• You need proper double-entry accounting
• You want the most feature-complete self-hosted finance tool
• Third-party integrations and community apps matter

Actual Budget — Envelope Budgeting Done Right

Actual Budget is a fork of the discontinued Budget Pwa, rebuilt with a focus on envelope budgeting (similar to YNAB). It offers a clean, fast interface with local-first architecture.

Key Features

• Envelope budgeting — assign every dollar a job, YNAB-style
• Local-first architecture — data lives on your device, syncs via server
• Fast and responsive — near-instant UI, no loading spinners
• Rules — automatic transaction categorization
• Reports — net worth, spending by category, cash flow reports
• Multi-user sync — share budgets across devices and users
• Budget templates — start from pre-built budget structures

Docker Compose Setup

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services:
  actual:
    image: ghcr.io/actualbudget/actual-server:latest
    restart: unless-stopped
    ports:
      - 5006:5006
    volumes:
      - actual-data:/data
    environment:
      - ACTUAL_PORT=5006

volumes:
  actual-data:

Actual Budget is the simplest to deploy — a single container with no external database.

When to Choose Actual Budget

• You prefer envelope budgeting (YNAB methodology)
• You want the simplest, lightest deployment
• Local-first architecture appeals to your privacy needs

Advanced: Nginx Reverse Proxy Setup

For secure remote access, place your finance app behind Nginx with SSL:

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server {
    listen 443 ssl http2;
    server_name finance.example.com;

    ssl_certificate /etc/letsencrypt/live/finance.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/finance.example.com/privkey.pem;

    location / {
        proxy_pass http://localhost:3000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

For complete Nginx reverse proxy patterns, see our Nginx vs Traefik vs Envoy mutual TLS guide.

Why Self-Host Your Personal Finances?

Cloud finance apps like Mint, YNAB, and Monarch Money require you to trust a third party with your most sensitive data — bank account numbers, transaction histories, and investment portfolios. Self-hosting eliminates that trust requirement entirely:

• Zero data exposure — your financial data never leaves your server
• No per-month fees — YNAB charges $99/year, Monarch Money $10/month — self-hosted tools are free forever
• Full control over integrations — connect to any bank API, import any format, customize any workflow
• No corporate pivot risk — Mint shut down in 2024, leaving millions of users stranded. Self-hosted tools cannot be discontinued by a parent company

If you need to handle invoicing alongside budgeting, see our Invoice Ninja vs Akaunting vs Crater guide. For a different approach to personal finance with double-entry accounting, check our Actual Budget vs Firefly III vs Beancount comparison.

FAQ

Q: Is Maybe Finance mature enough for production use?

A: Maybe Finance is still under active development. It has a polished UI but fewer features than Firefly III. It is suitable for personal use, but if you need advanced accounting features, Firefly III is more battle-tested.

Q: Which tool is best for YNAB users looking to self-host?

A: Actual Budget is the closest to YNAB with its envelope budgeting methodology. It uses the same “give every dollar a job” philosophy and has a similar workflow.

Q: Can these tools automatically import bank transactions?

A: All three support bank import via services like GoCardless (formerly Nordigen) or SimpleFIN. Firefly III has the most import options including CSV, Spectre, and Salt Edge. Maybe Finance supports Plaid and SimpleFIN.

Q: Do any of these support multiple users?

A: Firefly III has built-in multi-user support. Actual Budget supports shared budgets via its sync server. Maybe Finance supports multiple users but is primarily designed for individual or household use.

Q: Which is the easiest to set up and maintain?

A: Actual Budget is by far the simplest — one container, no database. Firefly III and Maybe Finance both require PostgreSQL and additional services (Redis for Maybe, data importer for Firefly).

Q: Can I migrate from Mint, YNAB, or Monarch Money?

A: Yes. All three tools support CSV import. Firefly III has dedicated importers for various formats. Actual Budget can import QIF and OFX files. Maybe Finance supports CSV import from most major services.