Saldy
Saldy is a browser-based accounting and invoicing app for freelancers, self-employed professionals and small businesses in Germany. It supports quotes, invoices and structured e-invoices in XRechnung and ZUGFeRD formats, with sequential numbering and an audit journal. Users can record expenses and receipts, import bank statements from CSV, retrieve PayPal transactions, track time, keep cash records and monitor overdue invoices. Saldy calculates VAT advance returns and cash-basis income statements (EÜR); it prepares an ELSTER file for the VAT return but does not submit tax returns or replace tax advice. DATEV-format exports support tax advisers. Other tools include recurring invoices, payment reminders, reporting and shared team access for up to three users, depending on plan. Its free plan limits use to five invoices a month; paid plans include unlimited invoices and additional features.
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Invoicycle
Invoicycle is a browser-based invoicing and billing application for freelancers, agencies, SaaS teams, and small businesses. Users can create one-time and recurring invoices with line items, tax details, notes, payment links, and downloadable PDFs; manage client records; choose weekly, monthly, quarterly, or annual billing schedules; and monitor invoice status, overdue balances, and payment activity. Passwordless client portals let customers view invoices, access payment history, and download PDFs. The product includes invoice templates, multi-currency display, automated reminders, payment links, and AI-assisted tools for drafting line items, reminder text, and billing summaries. It supports PayPal payments and offers a free plan alongside an annual Pro plan with expanded invoice management features.
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BillGrid
BillGrid brings client work together for freelancers and small service businesses. Manage projects, tasks and milestones; send proposals with packages, extras and client approval; and keep signed contracts connected to the work.
Track time and expenses, turn billable work into invoices, and accept card or eligible US bank payments through your own Stripe account. BillGrid adds no payment-processing fee.
Pro and Team add a branded client hub for comments, approvals and files, plus recurring invoices, client reminders, late fees and retainers. Connect Google Calendar, QuickBooks Online and compatible AI assistants, including Claude and ChatGPT.
Start on Free with three active clients and three invoices, estimates or contracts sent per month. Projects, tasks, time and expenses are unlimited on every plan. Pro is for one person; Team includes three logins. Monthly and annual plans are available.
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Duevero
Duevero is simple invoicing and profit-tracking software for freelancers, consultants, contractors, and solo service businesses. Create estimates and invoices, manage clients, track expenses, monitor invoiced, collected, spent, and profit totals, follow up on overdue work, and accept eligible invoice payments through your own connected Square account.
The free Basic plan includes up to 10 active clients, 10 invoices per month, 5 estimates per month, one workspace, expense tracking, and raw CSV exports.
Duevero Pro is $12/month and adds unlimited clients and invoices, 2 workspaces, recurring invoice templates, reports, time tracking, formatted and accountant-ready exports, an overdue and reminders workspace, and branded invoices with your logo.
Duevero is designed to be lighter and easier to use than a full accounting suite, giving independent service businesses one straightforward place to manage the client-money workflow from estimate to invoice to payment and profit.
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