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Top Rated Contact Management Software with API - Page 3

Last updated: April 2026

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236 software options

RapidStart CRM logo

Simple Customer Relationship Management

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RapidStart CRM is a free sales and service application for essential business processes. Our low-cost add-ons like Project Management or Field Service build upon that to offer even more capabilities. Fully customizable and extendable to fit any need.

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MadeMarket logo

Customer relationship and deal management platform

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MadeMarket is a purpose-built customer relationship and deal management platform designed for investment bankers and capital markets professionals. Key management features include dashboards with auto-generated data, ready-built around industry pipeline metrics that monitor tasks, projects, and deal flows with dynamic customization capabilities.

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SigParser  logo

Email scraping software for marketing, data & sales teams

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SigParser is an email scraping and parsing software designed to help data, marketing, and sales teams across businesses search for email signatures and calendars to retrieve information about contacts, attachments, social profiles, addresses, and more.

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Better Proposals logo

Web-based sales proposal software to win business faster.

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Better Proposals is a web based platform for creatives and service providing businesses to create professional, well-formatted sales proposals, with digital signatures, 3rd party integrations, and more. Know when proposals are opened, forwarded or downloaded in order to follow up at the right time.

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AgentLocator logo

LeadGen & CRM system tailor-made for real estate agents

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AgentLocator provides lead generation and website design services coupled with a powerful CRM system tailored for real estate agents. It is suitable for individual agents, teams, and small and big brokerages. 5-star customer support is available via phone, email, and Facebook Group.

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Law Ruler Software logo

Legal Practice Management & Intake Software - Powered by AI

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Law Ruler is the case management software platform for growing firms. The one complete legal software that offers matter management, time/billing, expense mgmt, online forms, settlement tracking, 1-click text e-sign, and automates follow-up emails & text messages

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Liberty Converse logo

AI-enhanced contact centre experiences for customers & teams

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Liberty Converse is our cloud contact centre solution that revolutionises how businesses interact with customers and teams through AI-driven self-service, process automation and integrated workflows and CRMs.

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Mission Control logo

Leading PSA and Project Management SaaS

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Mission Control is a project management tool that helps teams orchestrate their work, from daily tasks to strategic initiatives.

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Repfabric logo

CRM system for multi-line sellers

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Repfabric is a platform that helps businesses in the multi-line sales industry manage customer relationships and sales data. It is designed for manufacturers, sales reps, and distributors and it offers tools to streamline multi-line selling processes.

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Teamogy logo

All-in-one cloud platform for projects, finances & teams

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Teamogy is a secure all-in-one cloud platform for managing projects, finances, documents and teams. Includes budgeting, time tracking, invoicing, reporting, integrations and automation. Accessible anytime, scalable for startups to enterprises.

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Nimbler logo

The only all-in-one sales automation platform you need.

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We’ve harnessed the power of AI to bring you the ultimate all-in-one sales automation platform. Reach 120M+ B2B contacts, launch autonomous outreach campaigns, and close more deals - faster than ever before.

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Kanbox logo

Turn Your LinkedIn Profile into a Lead Gen Powerhouse

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Kanbox enables you to export prospects from LinkedIn and Sales Navigator, find their professional emails, obtain clean and non-duplicated data, automate your B2B lead generation campaigns, develop and organize your network effectively, and communicate with your prospects in an intuitive interface.

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Operations Hub logo

Supercharge HubSpot CRM with a full toolkit for ops teams.

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PieSync syncs your cloud apps so you can share accurate contact information with your team. You can even update your contacts on your mobile phone.

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Creatio CRM logo

New era CRM to manage all customer and operational workflows

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Omnichannel contract management
Creatio.ai assists contract creation and review for faster approvals and reduced errors, and helps optimize order processing and identify potential bottlenecks.

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HoneyBook logo

Client management for freelancers & SMBs

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Everything you need to manage contacts, clients, proposals, contracts, payments, and more.

Get started with a 7 day free trial today.

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Outplay logo

Sales enablement platform with multi-channel sales outreach

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Outplay is a cloud-based sales enablement software designed to help organizations engage with the target audience and gain insights into business metrics to improve revenue and drive growth.

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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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InTouch CRM logo

Sales & Marketing Automation & CRM

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InTouch CRM is designed to help businesses automate sales and marketing through customer data on your website or offline, automated lead nurturing campaigns, audience segmentation, email marketing and team tasks. It has a suite of tools to get you started with sales and marketing campaigns.

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Google Contacts logo

Online address book

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Google Contacts is an online address book, integrated with Gmail, Calendar, Drive, and other Google products. It can sync your contacts to all your devices. It is a way to store and organize contact information about the people you communicate with.

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Salesmate logo

The most customizable CRM. Now with AI

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Salesmate helps sales reps to stay up-to-date with every detail of your clients or contacts to interact efficiently at any time from any point. Prioritize communications, nurture relations and optimize sales results by systematizing all your communication at one organized place.

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Cognism logo

Accurate, compliant-first B2B data and sales intelligence.

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Cognism provides accurate, compliant-first B2B data and sales intelligence for teams growing across Europe and beyond. Trusted by thousands of revenue teams, Cognism helps you turn data into pipeline, without the noise.

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Salesflare logo

Intelligent CRM for small and medium-sized B2B businesses

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Salesflare is an intelligent CRM & contact management platform for small and medium sized B2B businesses who sell more with less work. Salesflare automatically fills out your address book and keeps track of all interactions with your contacts.

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Popl logo

Digital business cards for teams and individuals

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With Popl, your whole team can personalize their business cards with a single click. Popl makes life easy by automating all the tedious details, like data entry. User can also sync contact information with their CRM. Integrates with 4000+ apps and digital business card can be sent via text message, email, Airdrop, email signatures, Zoom backgrounds, iPhone widgets and more.

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monday CRM logo

Customer relationship management solution

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monday CRM is the best contact management software to manage and track all of your contacts’ info. Connect your Gmail/Outlook to send/receive emails and keep track of client communication in one place. Get an overview of everything related to a contact in a snapshot so you never miss a beat.

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CompanyHub logo

Customer Relationship Management for sales teams

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CompanyHub is a customer relationship management system which enables SMBs to manage sales, leads & pipeline activity efficiently from a single platform

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