Free Software Development Agreement Template

A software development agreement is a contract that sets the terms for creating custom software for a client. It defines what the developer must build, how and when the work will be delivered, how much the client will pay, and who will own the resulting software. A software development contract template can be used for websites, mobile applications, internal business systems, integrations, databases, and other custom development projects.

Businesses that use contract software development can rely on the agreement to define technical requirements, deadlines, payment terms, and ownership before work begins. The agreement also protects intellectual property and sensitive business information. Depending on the project, it may address source code, documentation, trade secrets, third-party software, open-source components, and the transfer or licensing of intellectual property rights.

Use a software development agreement when:

A software development agreement generally involves two parties:

Client: The individual or business commissioning the software. The client provides project requirements, reviews the developer's work, gives necessary feedback and access, and pays the agreed fees.

Developer: The independent professional or development company providing the software development services. The developer performs the agreed work, follows the project specifications and schedule, delivers the work product, and complies with the agreement's confidentiality and intellectual property terms.

The agreement should accurately reflect an independent-contractor relationship where that is the parties' actual working arrangement. Calling someone an independent contractor in the contract does not by itself determine their legal employment status.

Software projects often change after development begins, so several clauses deserve particular attention. Their wording should reflect the actual product, workflow, risk allocation, and ownership arrangement rather than relying on generic terms.

This clause defines what the developer must build and deliver. Clear specifications help distinguish agreed work from later feature requests and reduce disputes over whether the project is complete.

Sample language: The Developer shall provide the software development services described in [technical specification/statement of work], including [deliverables]. Any service or feature outside the agreed scope requires written approval by both Parties.

Include detailed scope language whenever the project involves custom development. For a very small project, the details may instead be placed in an attached Statement of Work.

An acceptance testing clause explains how the client decides whether delivered software meets the agreed requirements. It should set a review period and give the developer a defined opportunity to correct documented defects.

Sample language: The Client shall have [10 business days] after delivery to test the Deliverables against the agreed acceptance criteria. If the Client identifies a material nonconformity, the Client shall provide written notice describing the issue, and the Developer shall have [10 business days] to correct it.

Include this clause when payment, project completion, or IP transfer depends on formal acceptance.

This clause determines who owns the software and other work product produced during the project. It should distinguish newly created materials from pre-existing tools, libraries, third-party code, and open-source components.

Sample language: Subject to [payment/acceptance], the Developer assigns to the Client all transferable rights, title, and interest in the Work Product created specifically under this Agreement, excluding the Developer's pre-existing materials and third-party components identified in writing.

Include whenever the client is meant to own the finished software.

Federal copyright law imposes specific requirements on works made for hire and copyright transfers. 

Software projects frequently give developers access to proprietary systems, credentials, customer information, internal documentation, and trade secrets. The confidentiality clause limits how that information may be used and disclosed.

Sample language: Each Party shall use the other Party's Confidential Information only as necessary to perform this Agreement and shall not disclose it to third parties except to authorized personnel who are subject to confidentiality obligations.

Include this clause whenever sensitive technical or business information will be exchanged. A separate Non-Disclosure Agreement may also be useful before development negotiations begin.

A change control clause prevents informal feature requests from silently expanding the project. It establishes a process for evaluating how a requested change will affect cost, delivery dates, and technical requirements.

Sample language: No material change to the Services, Deliverables, specifications, fees, or schedule shall become binding unless the Parties approve the change in writing, including any resulting adjustment to price or completion dates.

This clause is particularly useful for milestone-based or longer custom development projects.

Indemnification determines when one party must protect or reimburse the other for specified third-party claims. In software development, this may include claims involving intellectual property infringement, misuse of confidential information, customer data, or security obligations.

Sample language: Each Party shall indemnify the other against third-party claims arising from its breach of the representations or obligations specified in this Agreement, subject to the exclusions, limitations, and procedures stated herein.

Include when third-party code, customer data, or security obligations are involved.

The parties should define any indemnity carve-outs carefully so responsibility remains connected to risks each party can reasonably control.

Work made for hire: A copyright concept under which the hiring party is treated as the author of qualifying work created by an employee within the scope of employment or certain specially commissioned works meeting statutory requirements.

IP assignment: A contractual transfer of specified intellectual property rights from one party to another; copyright transfers generally must be documented in a signed writing.

Work product: Software, source code, object code, designs, documentation, specifications, and other materials created or delivered during the project.Acceptance testing: A review process used to determine whether delivered software satisfies the agreed technical requirements and acceptance criteria.

Source code escrow: An arrangement in which source code or related materials are held by an independent third party and released to the customer if specified events occur.

Service-level agreement (SLA): A set of measurable performance commitments, such as uptime, response times, support availability, or resolution times, usually used when ongoing services are part of the relationship.

Open-source license: A license governing how open-source software may be used, modified, and distributed; its conditions may affect how custom software can later be licensed or distributed.

Indemnity carve-out: An exception that removes specified claims or circumstances from an indemnification obligation or from an agreed liability limitation.

Technical specifications: Detailed functional and technical requirements describing what the software must do and how the required deliverables will be evaluated.

Change request: A documented proposal to modify project scope, specifications, deadlines, price, or other agreed requirements.

A written software development contract gives both parties a common reference point for scope, deadlines, payment, and ownership. It is particularly useful when a project involves multiple milestones or technical specifications that could otherwise be interpreted differently.

The agreement can also support fair risk allocation. The developer knows when payment is due and what work is required, while the client knows what will be delivered, how it can be tested, and what rights the client receives in the finished software.

Common problems include:

• Using vague specifications: Terms such as “build an application” are not enough to define features, integrations, platforms, performance requirements, or deliverables.
• Leaving IP ownership unclear: State when ownership transfers and distinguish custom work from pre-existing code and third-party components.
• Ignoring open-source software: Review applicable licenses before incorporating open-source components into proprietary software.
• Skipping acceptance criteria: Define how the client will test the software and what qualifies as a defect or successful delivery.
• Allowing informal scope changes: Require material changes to be documented along with their effect on price and deadlines.
• Using one-sided indemnity language: Match indemnification obligations and carve-outs to risks each party can reasonably control.
• Forgetting post-launch responsibilities: If maintenance, hosting, security updates, support, or uptime commitments are expected, document them separately or add appropriate SLA terms.

Intellectual property deserves particular attention in a software development contract. U.S. copyright law protects computer programs, but ownership depends on how the software is created and what the parties agree to in writing. For commissioned software created by an independent contractor, simply calling the work “work made for hire” does not necessarily satisfy the federal statutory definition. Commissioned work must meet specific requirements under 17 U.S.C. § 101 to qualify. If the client is intended to own the copyright, a written copyright assignment can therefore be important because federal law generally requires a copyright transfer to be documented in a signed writing.

Patent protection is a separate issue. Some computer-implemented inventions may qualify for patents, but they must satisfy the same statutory requirements that apply to other inventions, including patent-eligible subject matter, novelty, nonobviousness, and disclosure requirements.

Projects involving offshore developers may create additional compliance questions. Depending on the software, technology, destination, and people involved, U.S. export-control rules may apply. The Export Administration Regulations (EAR) govern exports, reexports, and transfers of certain commodities, software, and technology, including some releases of controlled source code to foreign persons.

The governing-law provision should also be reviewed carefully. Although this template is designed for general U.S. use, contract interpretation and the enforceability of particular terms can differ by state.

The agreement must provide clear procedures for accommodating changes to the software specifications. These can be anything from small adjustments to large-scale redesigns, reconfigurations, or feature additions.

It's essential that any changes still align with the projected timeline, budget, and overall objectives of the project. Measures should be in place to evaluate the impacts of these alterations effectively and maintain transparent communication between the client and developer.