Odoo is an all-in-one management software that offers a range of business applications including CRM, e-commerce, accounting, inventory, and more.
Starting from $20 per user/month
Best BigTime Alternatives ranked by AI · updated Aug 2026
BigTime is a PSA platform for accounting firms, consulting practices, government contractors, and other billable professional-services organizations. Its core capabilities include time and expense capture, project management, billing, budgeting, and resource management.
Top 6 BigTime alternatives
Kantata is a versatile software for project management and team collaboration.
Starting from $19.99/month
OpenProject is an open-source project management software that offers task management, team collaboration, and agile tools.
Free and paid plans available
Scoro is a comprehensive project management software that combines project planning, time tracking, billing, and reporting in one solution.
Starting at $26/user/month
Accelo is a comprehensive professional services automation platform that streamlines and automates business processes for service-based businesses.
Starting at $39 per user per month
Upland PSA is professional services automation software for consulting, IT services, and other project-based organizations. It combines resource management, project financials, time...
Pros
- Combines resource planning, project accounting, time capture, and invoicing
- Supports portfolio-level visibility across multiple projects and teams
- Designed for larger professional services organizations with complex workflows
Cons
- More complex to configure than lighter PSA tools such as BigTime
- Pricing is not publicly listed and typically requires a sales process
- User interface may feel less modern than newer PSA platforms
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