Checked the flynax and blackmonk softwares;Here are the specification details:
Members and Admin are the users of this system;
various membership plans are enabled there to monetise the website; User can enabled any preferred plan and accordingly access the software;
Filter module allows users to filter through numerous listings of a particular listing type or category.
Category and testimonials module is enabled there;
Export/Import ads listings in XLS and CSV formats;
Report listings, listings Navigation, Listing preview, compare listings etc is enabled;
Search by distance, refine search, search by Ads, rating Ads etc is enabled;
Multi media uploads, standalone seller page, search for sellers is enabled;
Payment Gateways are enabled;
There is Internal Messaging system.
QR code generator is available;
Multi-lingual Pay as you go credit system, Mortgage Calculator, Polls;
Apart from the users part, admin modules are as follows:
Unlimited Category creation, Moving Ads, Remote Ads, Category manager, Ad Manager is enabled;
Category Boxes, Field Manager, Interdependent Fields, Plan Manager, field groups is enabled;
User Approval, Category search, categories by listing types is available;
Form builder Module with Drag and Drop fields and Click fields, category searches;
One click plugin installation, User group manager, Listing type manager;
Upgrading/downgrading ads, Import and export categories is enabled;
Invoices be generated;
Ping Me;