Dear Sir
i checekd the github linke, some module are really tiny, but some has bit more chunk of code. i can migrate the modules to V11 in new API.
Relevant Skills and Experience
i'm happy to inform you that i'm working more than 8+ years in odoo/OpenERP, i started working on when it was 4.2 , since then worked on each and every release, now actively working on V11.
Proposed Milestones
€350 EUR - First Milestone
€483 EUR - Final Milestone
i'm just wondering is it all module really needed for you r accounting system ?