The operating system for your freelance business
Saturn brings projects, timesheets, invoices, and client management into one place. No more spreadsheets. No more chasing emails. Just open Saturn and get to work.
Complete overhaul of the company website with new branding
Cross-platform mobile application for client portal
What you can do with Saturn
Six modules that cover the full lifecycle of a freelance project.
Requirements
Write detailed project requirements, share them with clients, and collect signatures.
Proposals
Draft and send proposals. Clients review and approve without leaving the platform.
Milestones
Break work into milestones. Track what's done, what's in progress, and what's next.
Timesheets
Log hours against requirements. Weekly, biweekly, or monthly views. Send reports to clients.
Expenses
Track project expenses by category — hosting, design tools, APIs, and more.
Invoices
Generate invoices with line items pulled from timesheets and expenses. Export as PDF.
From tracked hours to paid invoices
Log time against requirements. Generate invoices from that data. Send them to clients. Done.
Set up your org
Create your organization, invite your team, and assign roles.
Run your projects
Add requirements, track time, log expenses, and hit milestones.
Bill your clients
Generate invoices from tracked work. Send, export, get paid.
Write requirements. Get them signed.
Saturn has a full rich-text editor for writing project requirements. When they're ready, send them to your client for review. Clients can request changes, leave threaded comments, or sign off with a digital signature — all without leaving Saturn.
Full-width hero with animated headline, subtext, and a primary CTA linking to the sign-up page. Must support both light and dark mode.
3-column responsive grid showcasing the six core modules with icons, titles, and one-line descriptions.
Side-by-side comparison of Free and Pro tiers with feature breakdown and monthly/annual toggle.
Roles that match how teams actually work
Four roles with fine-grained permissions. Your team sees exactly what they need — nothing more. Clients register on the same platform with scoped access to their assigned projects.
Full control. Manages the organization, billing, members, and all projects.
Day-to-day management. Can create projects, send invoices, and manage team.
Does the work. Logs time, writes requirements, submits expenses.
External stakeholder. Reviews work, signs off on requirements, approves invoices.
Built for every kind of freelancer
Whether you're a solo developer or a design agency with 20 people, Saturn adapts to how you work.
Developers
- Track hours across repos and features
- Log hosting, API, and infra expenses
- Send detailed invoices with line items
Designers
- Share proposals and get client sign-off
- Attach deliverables to milestones
- Track tool and asset license costs
Content creators
- Manage multi-phase production projects
- Track equipment and software expenses
- Bill per deliverable or per hour
Agencies
- Multiple projects, multiple clients
- Role-based access for your whole team
- Per-member billing rates and budgets
Your clients use the same platform
No separate portal. Clients register on Saturn and get invited to your projects. Their role scopes what they can see — milestone progress, requirements to sign, invoices to review — while your internal timesheets and team rates stay private.
Clients see milestone status and completed deliverables in real time.
Requirements and proposals can be signed digitally without external tools.
Clients leave comments on specific parts of a requirement. No email threads.
Clients only see projects they're assigned to. Internal data stays internal.
Simple pricing. No per-seat nonsense.
Every feature works on Free. Pro removes limits and adds API access for teams that want to automate.
Everything you need to manage a small freelance practice.
For freelancers and agencies that need room to grow.
No credit card required. No feature gates on core functionality.
Stop juggling tools.
Start running your business.
Saturn is free to get started. Set up your first project in under two minutes.