Open Custom Software Development RFPs
Ground-up application builds, legacy system rewrites, and bespoke tools commissioned by agencies, schools, and nonprofits. Issuers typically ask for a delivery timeline, relevant past builds, and post-launch maintenance terms. Part of Software, Web & Mobile Development.
- Open RFPs
- 19
- Posted in last 30 days
- 15
- Median disclosed budget
- $2,000,000
- Next deadline
- August 25, 2026
Updated hourly from the Settle RFP Hunter database.
Most active issuers
- Department Of The Navy (2)
- Department Of Energy (1)
- Department Of General Services, Bureau Of Procurement (1)
- Department Of The Air Force (1)
- Army Contracting Command – Aberdeen Proving Ground (1)
Closing soonest
Applications Solution
This requirement seeks an applications solution to modernize submarine tactical systems through modular architectures, shared virtualized infrastructure, and AI-enabled decision aids. The vendor will also support combat control system integration for international cooperative and joint programs.
- Deadline:
- August 25, 2026
- Issuer:
- Department Of The Navy, Naval Sea Systems Command
- Location:
- Washington, District Of Columbia, United States
Clearance Action Tracking System Development and Maintenance
A small-business set-aside procurement for development and maintenance support of a Clearance Action Tracking System. The system will support clearance action tracking and management.
- Deadline:
- August 25, 2026
- Issuer:
- Department Of Energy
- Location:
- Albuquerque, New Mexico, United States
Environmental Services Data Collection and Reporting Application Support Services
The county is seeking a technology provider to support, maintain, and enhance its environmental services data collection and reporting application. The three-year engagement includes SQL Server application support, troubleshooting, reporting, workflow improvements, and new feature development.
- Deadline:
- August 27, 2026
- Issuer:
- Snohomish County
- Location:
- Everett, Washington, United States
Lead Rental System Implementation and Development Solution
Seeking a vendor to implement a secure, low-code lead rental registration system using Microsoft Power Platform with integrations to Dataverse, SharePoint, Active Directory, and the website. The solution will support property registration, document management, reporting, audits, and lead hazard tracking.
- Deadline:
- August 28, 2026
- Issuer:
- NYS Office of Information Technology Services
- Location:
- Albany, New York, United States
Tester Analysis Software Application
Development of standalone software for analyzing Fog Tester video and calibration data, calculating contrast ratios, and producing pass/fail results. The effort also requires secure software development, application security assessment, flaw remediation, and a Software Assurance Plan.
- Deadline:
- September 4, 2026
- Issuer:
- Army Contracting Command – Aberdeen Proving Ground
- Location:
- Natick, Massachusetts, United States
Website and Related Applications Development, Implementation and Support Services
The agency seeks a vendor to lead the development, implementation, and support of digital curriculum websites and related applications. The engagement includes project management, technical leadership, solution architecture, requirements gathering, risk management, and ongoing reporting under a one-year contract.
- Deadline:
- September 4, 2026
- Budget:
- $145
- Issuer:
- Alberta Education and Childcare
- Location:
- Edmonton, Alberta, Canada
Request for Information for Legacy Engineer Solution
An organization is seeking vendor information for a legacy engineering solution. This is an information-only notice, and the main RFP document is not available.
- Deadline:
- September 9, 2026
- Issuer:
- Department Of Transportation
- Location:
- New York, New York, United States
Software Development Resources and Services
The procurement seeks flexible software development and technology specialists to augment internal IT teams, modernize applications and databases, and support Azure cloud, AI, architecture, and digital experience initiatives.
- Deadline:
- September 10, 2026
- Budget:
- $200,000 – $3,000,000
- Issuer:
- Horse Racing Ireland
- Location:
- Newbridge, Ireland; The Curragh, Ireland
Multi-Core Parallel Processing Services for Sensor Fusion Architecture
This presolicitation seeks vendors to design a modular, platform-agnostic multi-core processing architecture for real-time sensor fusion. The solution must improve throughput, reduce latency, preserve track integrity, and meet the size, weight, and power requirements of advanced platforms.
- Deadline:
- September 23, 2026
- Issuer:
- Navair
- Location:
- United States
Wearable Real-Time Command-and-Control Interface Services for Naval Situational Awareness
This RFI seeks vendors to develop and demonstrate a rugged, production-ready Mixed Reality wearable C2 interface that integrates JADC2 naval sensor data. The solution must improve operator mobility and situational awareness in demanding maritime environments.
- Deadline:
- September 23, 2026
- Issuer:
- Department Of The Navy
- Location:
- United States
Dynamic Open Systems RFI
This RFI seeks a platform-agnostic software suite that securely combines information from multiple sources into a common operating picture. The solution must integrate with legacy platforms, mission systems, and test environments while reducing real-time pilot workload.
- Deadline:
- September 23, 2026
- Issuer:
- Department Of The Air Force
- Location:
- United States
RFI for Automated Lethality Solutions
This request seeks vendors with advanced software and embedded hardware expertise to develop automated lethality solutions. Desired capabilities include automated weaponeering, target modeling, probability-of-kill calculations, uncertainty quantification, and lethality simulation workflows.
- Deadline:
- September 23, 2026
- Issuer:
- Department of the Air Force
- Location:
- United States
Unified Assured Positioning, Navigation, and Timing Operational Awareness and Decision Solution
This presolicitation seeks vendors with capabilities to develop a unified APNT operational awareness and decision solution. The solution should integrate fragmented data, improve operator understanding in contested environments, and support real-time analysis, visualization, automation, and decision-making.
- Deadline:
- September 23, 2026
- Issuer:
- Department Of The Navy
- Location:
- United States
Interactive Electronic Technical Manuals Conversion Tool
This request seeks information on a software tool that can automate the conversion of diverse interactive electronic technical manuals into XML. The solution should support integration with existing commercial or government tools and improve parsing and end-user display accuracy.
- Deadline:
- September 23, 2026
- Issuer:
- United States Navy
- Location:
- United States
Commercial Solutions: CRM Modernization, Application Refactoring, and Integration
The project seeks vendors for CRM modernization, legacy application refactoring, enterprise integration, and secure data migration solutions.
- Deadline:
- September 30, 2026
- Budget:
- $100,000,000 (est.)
- Issuer:
- United States Air Force (USAF) Secretary of the Air Force Concepts, Development And Management (SAF/CDM)
- Location:
- Washington, District of Columbia, United States
Cloud-Based Legislation Tracking System Replacement Solution
The agency seeks a custom-built, cloud-based replacement for its legislative tracking system. The solution must support legislative monitoring and analysis, provide intuitive and reliable functionality, and include responsive technical support with a two-hour issue resolution target.
- Deadline:
- October 5, 2026
- Budget:
- $1,120,000
- Issuer:
- State Of Washington Department Of Revenue
- Location:
- Olympia, Washington, United States
Web-Based Case Management Information System Development, Implementation and Maintenance Services
Seeking a vendor to develop, implement, and maintain a web-based case management system supporting child, family, provider, referral, and evaluation workflows. The project includes role-based access, practitioner enrollment, document management, and Early Intervention process support.
- Deadline:
- October 7, 2026
- Issuer:
- State Of New Jersey Department Of The Treasury Division Of Purchase And Property
- Location:
- Trenton, New Jersey, United States
Forestry Digital Services Senior Technical Engineer Services
A senior technical engineering partner is needed to modernize British Columbia's forestry digital services, focusing on application upgrades, security, and system integration.
- Deadline:
- December 30, 2026
- Issuer:
- Ministry Of Forest
- Location:
- British Columbia, Canada
Digital Development Services
A Pennsylvania government authority is seeking a vendor to deliver end-to-end digital development services, from discovery and design through development, testing, DevSecOps, and analytics. The work includes user research, system integration, quality assurance, and data visualization capabilities.
- Deadline:
- June 2, 2030
- Budget:
- $2,000,000 (est.)
- Issuer:
- Department Of General Services, Bureau Of Procurement
- Location:
- Pennsylvania, United States
Frequently asked questions
- How many Custom Software Development RFPs are open right now?
- There are currently 19 open Custom Software Development RFPs tracked by Settle RFP Hunter, 15 of which were posted in the last 30 days. This page is refreshed hourly.
- What budgets do Custom Software Development RFPs have?
- 5 of the open listings disclose a budget, with a median of about $2,000,000. Disclosed budgets range from $145 to $100,000,000.
- When is the next submission deadline for Custom Software Development RFPs?
- The soonest submission deadline among open Custom Software Development RFPs is August 25, 2026. Each listing page shows the full timeline, including question deadlines where published.