LetoDMS is described as 'open-source document-management-system based on PHP and MySQL published under the GPL' and is an app in the Office & Productivity category. There are eight alternatives to LetoDMS for a variety of platforms, including Windows, Online / Web-based, Linux, iPhone and Mac. The best alternative is Microsoft SharePoint. It's not free, so if you're looking for a free alternative, you could try Alfresco Community Edition or NemakiWare. Other great apps like LetoDMS are DocMGR (Free, Open Source), Linchpin (Paid), gini.net (Freemium) and WEBCON Business Process Suite (Paid).
DocMGR is a complete, web-based Document Management System (DMS). It allows for the storage of any file type, and supports full-text indexing of the most popular document formats. DocMGR runs on PHP, the Apache webserver, and Postgresql.
WEBCON BPS is a BPM / Rapid Application Delivery platform that allows to easily create workflow based applications to automate business processes without coding. Instead of coding you can focus on business logic of applications.
One folder is a document management system where you can upload your documents and search for documents. Text extraction is also in images possible. API-Support, E-Mail-Support, and automatic import directly from your printer or scanner.