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Billing and Invoicing Software with Calendar/Reminder System (2026) - Page 2

Last updated: April 2026

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49 software options

Teamleader logo

Sell, bill and organise work in one place.

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Invoices, quotes, CRM, and planning. Manage your business easily in one place. Over 20,000 entrepreneurs and their teams hand over their paperwork to Teamleader's business software.

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Salesboom CRM Suite logo

Online CRM Software

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Salesboom CRM is an online CRM and customer retention software designed to manage your customer base and identify up-selling opportunities. Established in 2003, the Salesboom CRM system has been helping enterprises of all sizes coordinate their customer relationship management and cross/up-selling strategies as well as providing online training courses and support.

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Tall Emu CRM logo

Sales and operations CRM for businesses in Australia and NZ

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Tall Emu CRM is an affordable, simple yet powerful CRM software that allows users to centralize & share data between employees with contacts, notes, calendars, tasks, and Inventory Manage. With many integrations: Xero, MYOB, your website, WooCommerce, phones, Outlook, marketing apps and much more.

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ServiceWorks logo

All In One. Effortless. Accessible. Cloud Based Solution

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Smart and Automated Invoicing saves you time. Send individual invoice or combined invoices or statements. ServiceWorks have that covered.

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Axonaut logo

All-in-one business management for small teams.

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Create, send, and track professional invoices and quotes. Automate billing cycles and payment reminders to keep your cash flow healthy.

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Zigaflow logo

Make running & growing your business easier

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Zigaflow simplifies business management, offering automation, customization, and integration. Designed for diverse needs, it enhances efficiency, security, and growth across all operations.

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Orcatec logo

Cloud-based field service management software

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Orcatec is a cloud-based field service management software designed to help businesses handle and streamline various administrative processes, such as dispatching, employee management, and more. Supervisors can schedule appointments on a calendar and color-code them according to requirements.

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STEAMS ONLINE logo

Your complete system for registration, payments, and program

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Steams Online is an all-in-one platform for managing class registrations, student records, payments, and communications. Ideal for training providers and schools, it streamlines operations with built-in SIS, billing, portals, and integrations like Zoom, Stripe, and Twilio.

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Plannit logo

Job management & scheduling solution

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The only FREE home services app designed to serve Pros AND customers, by bringing job requests, quotes, billing and payments online, all organized in a single place.

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Selly Erp logo

ERP software for sales and customer relationship management.

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Selly Erp is an integrated business application platform. The main features include customer and contact management, sales management, purchase management, procurement, and electronic invoicing.

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AtemisCloud logo

Full Business Management SaaS for service companies

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AtemisCloud is an advanced Business Management SaaS platform with features covering customer management, marketing, HR, back office, administration, projects, and finance. Used in 60 countries by 1500 corporations and SNE for the last 23 years.

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Studio Plan logo

Billing, document management, and time tracking platform

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Studio Plan helps firms, accountants and labor consultants manage finances and projects including contacts, billing rates, timesheets, and invoices. Users can use the web-based tool to customize their website for each client.

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Saleoid logo

Best CRM Software for leads, sales, marketing & billing

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Saleoid is the Best CRM Software for startups, agencies & SMBs an all-in-one platform to generate leads, manage sales, run marketing, and handle billing in one connected system. Starts at $5/month (2-year plan).

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Heeros PSA logo

All-in-one professional service automation platform

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The professional service automation platform that simplifies the way businesses are run and grown.

It has all: project and resource management, sales, profitability monitoring and more.

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Eazy Costing logo

Cloud-based operations & field service management platform.

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Eazy Costing is a cloud-based inventory and labour control solution built to assist run efficient operations in field service businesses. It enables organizations to manage contracts, inventory, assets, timesheets, and more.

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Deltek Vantagepoint logo

Power project success

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Deltek Vantagepoint is a powerful, intuitive solution that helps people manage projects from start to finish. With full visibility of client, project and financial details, your organization accelerates workflows, maximizes productivity and realize great business results.

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incwo logo

Cloud-based business management software

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incwo is a cloud-based software designed to help businesses in manufacturing, automotive, trading, finance, and other industries manage sales, purchases, inventory, production, and more via a unified portal. The application enables organizations to configure accounting codes for suppliers, customers, expense accounts, and taxes, export entries to journals, connect bank accounts to import and reconcile statements, and handle cashflow.

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Blue Note Systems logo

CRM software to manage leads, sales, quotes & campaigns

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Blue note systems, based on SugarCRM, is a cloud-based customer relationship management (CRM) software designed to help businesses handle the entire sales cycle, from prospecting to providing customer service. Features include multi-channel marketing, lead nurturing, real-time analytics, and more.

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Harlow logo

Find your freelance flow with Harlow.

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Harlow helps freelancers manage and organize their day-to-day operations, get a full view of their clients, and get paid for the work they do—all from one centralized hub. It’s everything you need to manage your small business and optimize your workday. Find your freelance flow with Harlow.

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WISO MeinBüro logo

German-language office management software

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WISO Mein Büro 365 is an office management software. Many business areas can be managed in one software with WISO Mein Büro. The software covers areas such as offers and invoices, contacts, statistics & evaluations, banking and accounting.

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Djaboo logo

Djaboo is an all-in-one CRM designed for small businesses.

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Djaboo is an all-in-one CRM that allows small businesses to develop their business without multiplying applications.

Djaboo helps you to increase your turnover by improving productivity and customer relationship management of your company. Don't waste any more time.

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WorkGuru logo
(0)

Job Costing Done Right

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WorkGuru is an all-in-one job management and costing platform for the fabrication, construction, and engineering industry.

WorkGuru brings together every element of job management and costing into a simple, yet powerful platform to keep your projects on track, and profit in your pocked.

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Upp logo
(0)

CRM, income & expense tracker, scheduler, invoice maker

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All-in-one super-app for small businesses & self-employed. Orders & clients management, money tracker (income & expenses), warehouse manager, scheduler & online appoinment system, documents generator (invoices, receipts, bills, estimates, contracts and so on)

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Silvasoft logo
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Online booking and invoicing solution

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Silvasoft is an accounting solution, designed to help businesses in the Netherlands and Belgium manage bookkeeping and invoicing. It also offers support for business management, with tools such as time registration, inventory tracking, personnel management, project management, agenda & a CRM tool.

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