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Top Rated Contact Management Software with API

Last updated: April 2026

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236 software options

Less Annoying CRM logo

Less Annoying CRM

For small businesses outgrowing spreadsheets.

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A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.

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Bigin by Zoho CRM logo

Bigin by Zoho CRM

Pipeline-centric CRM system for small businesses

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Bigin is an affordable, user-friendly CRM built for small businesses and startups. It has everything you need to manage contacts efficiently and take your business to the next level! Store and access all your customers' contact details, communicate with them via multiple channels, and more.

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InfoFlo logo

InfoFlo

HIPAA compaliant case management software

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Intuitive CRM software with contact, email, sales, invoice, document & task management + QuickBooks, Outlook and a Google Sync. $99 + Free Upgrades

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Salesforce Sales Cloud logo

Salesforce Sales Cloud

Cloud-based CRM and sales automation software

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Salesforce Sales Cloud gives you a 360° view of your contacts, pulling in social activity, campaign and communication history, key contacts & deals, and more.

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Maximizer CRM logo

Maximizer CRM

Customer relationship and lead management solution

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Maximizer CRM is a lead management solution designed specifically for the unique challenges that sales teams and managers face. Teams can monitor and achieve revenue targets while effectively tracking activities and evaluating team effectiveness, all from one centralized command center.

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Mailsoftly logo

Send personalized emails and get higher response rates!

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Keep your contacts organized and always up to date with smart tools that make segmentation and targeting simple.

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Salestrakr CRM logo

Simply Powerful CRM

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Salestrakr is a web-based CRM application that provides contact management features at a fraction of the price of most high-end CRM apps. It is used by companies all over the world to keep track of their customers, vendors, and prospects to close more sales.

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Tubular logo

Sales pipeline software & CRM for teams

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Tubular is a cloud-based sales pipeline & customer relationship management (CRM) software built for teams, for managing contacts, leads, deals, tasks, and more

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teamspace logo

All-in-one business software for service providers

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Small and medium-sized service providers use teamspace to digitize their business processes. It offers a CRM system, time tracking, project management, offer-to-cash, finance, personnel and HR features, an issue-tracking system, and many teamwork tools such as chat, forum, and wiki.

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Oncord logo

Website and digital marketing platform.

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Oncord is a digital marketing software platform that includes website, email marketing, and ecommerce tools in one intuitive software system. Oncord's hosted content management system aims to make managing a digital presence simple.

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LeadExec logo

Automated Lead Selling Made Simple

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LeadExec is a Lead Selling Platform that automates real-time web lead delivery using price, priority, weighted routing, filters, caps, and schedules. Sell exclusive or semi-exclusive leads and give buyers a self-service, brandable portal to manage orders, filters, returns, and payments.

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Fitsyn logo

Financial services and lead management software

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Fitsyn is a loan origination software designed to help businesses search, analyze, and opt from different types of loans available. The platform enables administrators to create a customizable dashboard, add clients, and communicate with them, facilitating customer engagement.

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TimO logo

The modular Project-ERP Business Suite

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Digitize your processes from time tracking and resource planning to invoicing – flexible, secure, and 100% made in Germany.

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Topline logo

Topline OS - The All-in-One Growth Operating System

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Topline OS integrates CRM, sales, and marketing automation with advanced features like GPT-4 integration and unlimited automations, designed for growth-focused businesses. Ideal for consultants, tech firms, and leaders seeking an all-in-one solution with dedicated support.

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MarketSurge logo

All in one lead management software

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MarketSurge is the one-stop shop for lead management. The application enables businesses to manage communication and contacts from a unified platform.

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cobra CRM logo

Streamline business with CRM solutions.

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cobra CRM is a comprehensive customer relationship management (CRM) solution that offers professional address and contact management, office communication and management, direct and email marketing, company-wide appointment management, and an integrated GDPR compliance package. It also includes sales process management with forecasting, extended workflow and campaign management, and additional tables and subtables.

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TAG logo

Cloud-based customer relationship management platform

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TAG is a CRM platform that assists businesses with customer and company management including personal data database, contact management, notifications, social media marketing, knowledge base, video conference user management, contract management, electronic invoicing, warehouse management, accounting, integration, and e-commerce processes.

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4Degrees logo

Customer relationship & pipeline management for companies

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4Degrees is a cloud-based relationship and pipeline management tool which assists recruitment and real estate firms with collaboration and reporting. Key features include interaction tracking, lead management, task tracking, documentation, customer segmentation and talent management.

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ClubDesk logo

Software solution for the management of clubs of all sizes

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ClubDesk is an administration solution for clubs of all sizes. It supports the registration and administration of members and internal tasks such as scheduling, event planning, and bookkeeping. All membership data is recorded and managed centrally.

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OS/ logo

Cloud-based project accounting software for businesses

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OS/ is a cloud-based project accounting software designed for agencies, productions, and studios that helps manage finances, generate quotes, control projects, and more.

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BluWave CRM logo

Cloud-based customer relationship management solution

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BluWave CRM is a cloud-based customer relationship management solution that helps businesses streamline their sales processes and improve customer relationships. With features like opportunity tracking, automated sales workflows, and integration with popular accounting and ERP systems, BluWave CRM enables companies to boost sales and enhance customer connectivity.

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Broot logo

Engage, Capture, Enrich – Elevate Your Contact Management

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Broot is designed to enhance digital engagement. With features spanning from seamless integration for businesses to innovative tools for enhancing user experience, it serves as a pivotal solution for entities aiming to boost their online presence and operational efficiency.

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Eudonet logo

Customer relationship management (CRM) platform

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Eudonet is a customer relationship management (CRM) platform that helps you to handle all types of contacts, performance and your activities to improve overall collaboration and connection with your targets.

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Pega Sales Automation logo

Cloud-based platform for managing sales pipeline

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Pega Sales Automation is a cloud-based solution that enables businesses to manage customer engagement, opportunity insights, guided selling, and other operations across the entire sales pipeline. With Pega Sales Automation, companies can personalize and automate interactions with customers and prospects, while improving sales performance by providing a single source of truth for all customer data.

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Tribe CRM logo

Built for European business. Powered by AI. Ready to scale.

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Tribe gives your teams one up-to-date view of every contact, deal, and interaction. Keep your entire customer network organised, connected, and accessible across every department.

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