A source code escrow agreement is a contract between a client and a software developer, ensuring client protection if software maintenance fails. Find software source code escrow agreement lawyers for Austin, TX to hire.No cost to post a project to get multiple bids in hours to compare before hiring. San Antonio, TX 78204. Understand the intricacies of software escrow release conditions with our comprehensive guide. A SaaS escrow agreement exists to outline how the software data will be delivered from the software as a service, or SaaS provider. A source code escrow agreement is an agreement to deposit the source code of the software with a third party escrow agent. When an escrow account is set up, you can authorize individuals to use the money in the account.