Tartan Systems is a free open source suite of financial, accounting and other programs for businesses and clubs written in python. The modules comprise the following:
Asset's Register
Book Clubs (Member and Book Register)
Booking's Manager (Resorts and B&B's)
Bowls Clubs (Lawn Bowls Tabs Draws and Competitions)
Bowls Sectional Competitions (Lawn Bowls)
Creditor's Ledger (Accounts Payable)
Debtor's Ledger (Accounts Receivable)
General Ledger (Nominal Ledger)
Loans Ledger (Fixed and Variable Term Loans)
Member's Ledger (Sports and Other Clubs)
Rental's Ledger (Property and Collection)
Salaries and Wages - ZA (Includes Staff Loans)
Sales Invoicing (Includes Sales Orders, Quotations and Works Orders)
Store's Ledger (Inventory)
Magot is a cross-platform personal finance manager written in Python. A check-book like register GUI allows you to enter transactions and track bank accounts, incomes and expenses. It's based on formal accounting principles, PEAK and WxPython.
PyMoney is a portable personal financial manager program for both PDA Sharp Zaurus and desktop written in Python with PyQt (Qtopia supported). Multiple accounts, currencies, categories, password protection etc.
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Python/Django backend for Vosae (invoicing, organizer, contacts)
Vosae is a powerful application to finally simplify your daily company management. You can now enjoy an enterly new experience to manage your invoicing, your calendars and your contacts.
Vosae-app exposes Vosae resources though an API.
Now available on Github: https://github.com/Naeka/vosae-app
See the projet website: https://www.vosae.com