Best Integrated Accounting and Project Management Tools for Solo Developers

All‑in‑one invoicing, expense tracking, and project management platform with built‑in time‑tracking and client portal.

Tax‑ready accounting for freelancers with mileage tracking, invoicing, and simple project budgeting.

Free accounting suite with invoicing, receipt scanning, and basic project‑based income reporting.

Cloud‑based accounting with project tracking, time‑sheet integration, and automated billing workflows.

Combined suite where Zoho Books handles invoicing and accounting while Zoho Projects adds task boards and time logs.

Time‑tracking and expense capture that feeds directly into invoicing and integrates with most project‑management tools.

Toggl Track records billable hours; Toggl Plan adds lightweight project planning—both sync for automated invoicing.

Unified workspace for task management, time tracking, and invoicing with built‑in budgeting and profit reporting.

Full‑featured business management platform combining project planning, time‑sheeting, budgeting, and invoicing.

Freelancer‑focused suite offering proposals, contracts, time tracking, and automated invoicing with expense management.

All‑in‑one business hub for solo creators: project boards, time tracking, invoicing, and client CRM.

Simple freelance operating system with contracts, time tracking, expense logging, and instant invoicing.

Project management with built‑in billing, time tracking, and integration to QuickBooks/Xero for accounting.

Customizable boards that can combine task tracking, budget columns, and invoicing automations via integrations.

Feature‑rich PM tool with native time tracking, budget fields, and native invoicing through ClickUp Docs.

Highly flexible workspace where you can build integrated task boards, expense tables, and invoice generators.

Time‑tracking with GPS, automated invoicing, and expense management; integrates with QuickBooks and Xero.

Time‑sheet and project management platform designed for creative freelancers, with built‑in billing.

Project management, time tracking, and invoicing suite with resource planning and expense tracking.

Client workflow automation that includes proposals, contracts, time tracking, and invoicing in one flow.

Open‑source invoicing platform with project management features like task lists and time logs.

Modular ERP offering project management, timesheets, and accounting—all configurable for solo use.

Robust project platform with custom fields for budgets and native integration to QuickBooks for invoicing.

Professional services automation that blends project planning, resource budgeting, and invoicing.

All‑in‑one freelance management: contracts, time tracking, expense logging, and automated invoicing.

Project boards with built‑in time tracking and budget columns; integrates with QuickBooks for accounting.

Standalone invoicing tool that syncs with Zoho Projects for task‑based billing and expense tracking.

Free project management suite with time tracking and optional invoicing add‑on for freelancers.

Accounting core with project cost tracking, time entry, and invoicing for solo entrepreneurs.

Simple cloud accounting with project‑based income categorization and time‑sheet integration.

Tight native integration: tasks, milestones, time logs flow directly into Zoho Books for invoicing.

Unified platform for task management, time tracking, budgeting, and invoicing with profit analytics.

Project collaboration tool with built‑in time tracking and invoicing templates for freelancers.