MachDB is machine database to catalog of the changing state of your hosts. It consists of a database, an aggregator, an XML spec, and some example information gathering scripts. Along with a Web UI, these form the basis of a system that will allow you to catalog the current and historical state of the hosts in your infrastructure. It has been designed with scale in mind, and the goal is to support 10k hosts. It is being actively developed and is used in production at a few organizations.
Jledger is a Java Business Accounting API that consists of invoicing, general ledger, stock/inventory control, and other business APIs that will assist Java developers in building business software with ease. It will take care of the business logic like accounting double entry, Stock Balance and management (FIFO), etc., and seamlessly integrate each part of business operation as a whole.
KwaMoja is a system that helps you manage your business in a more efficient and profitable manner. It offers multi-currency sales orders, accounts receivable, purchase orders, and accounts payable, a tendering module, multiple inventory locations, unlimited price lists by customer and currency, standard and reversing journals, general ledger journals for all transactions in accounts receivable and payable, standard costing, user definable sales analysis reports, standard cost stock valuation and stock planning reports, a manufacturing module including work orders and MRP, a fixed asset register, a petty cash module, and serialized inventory and lot tracking.
Network Inventory Lookup Assistant (NILA) is a combination network inventory database and lookup tool. It is designed to be compact and easily extensible to provide a custom solution for your network. The backend is a Perl CGI script which processes requests and returns output. It uses a SQL server for its storage and retrieval. The frontend is a Perl script which queries the HTTP backend and returns results. It is intended to be simple enough that you can take full advantage of its querying and updating abilities from a console or shell script.