Alternatives to Stack

Spreadsheet software reimagined for engineering calculations, combining word processing and spreadsheet features.

An AI-powered clientflow management platform helping independent businesses streamline billing, contracts, and client communication.

kluster.ai has been acquired by MITO. kluster.ai services were sunset on June 9, 2026.

Build, ship, and manage AI agents with readable TypeScript, replayable runs, and scoped tools.

A joint venture providing AI services to enterprises by embedding forward-deployed engineers to implement AI solutions, backed by Anthropic and major investment firms.

Builds intelligent AI-powered software products that help businesses grow faster through automation, analytics, and modern technology.

An all-in-one AI-powered lead management and communication platform for local businesses to acquire and convert new customers.

The company behind AI Commerce Intelligence™, Recommendation Intelligence™, and the AI Commerce Graph™.

AI-powered platform for travel agencies to optimize flight ticket purchases and boost conversions.

Field service management software for home service businesses, focusing on SMBs, with AI-powered tools.

AI agents review your accounts daily, with human oversight to identify critical issues and provide actionable solutions.

Chat marketing platform for businesses and creators to drive sales and conversions on messaging apps via automation.

GHOZT builds custom AI agents, marketing campaigns, automation workflows, and websites for SMBs.

Newton Labs is building an authorization layer for onchain finance, enabling institutions and protocols to enforce compliance, identity, security, and risk policies before transactions settle.

Cloud-based software for residential builders to streamline estimates, project management, and invoicing.

API-first email infrastructure for AI agents, offering dedicated inboxes and overcoming traditional provider limitations.

AI platform identifying anonymous website visitors and automating personalized LinkedIn outreach.

Integration platform for the AI Internet, enabling AI agents to act on behalf of users on websites without APIs.

Continuous intelligence engine generating dynamic SMB data for proactive sales.

Cloud-based platform for professional services automation and client work management.

AI transformation firm building operating systems for real economy businesses.

A comprehensive SaaS platform for businesses and independent professionals to manage clients, items, expenses, and documents with smart invoicing.

AI-powered marketing campaigns for eCommerce that create, execute, and optimize themselves.

A business media company focused on entrepreneurship, startups, and business growth.

Launchpad is a venture builder and accelerator that helps entrepreneurs launch and scale impactful startups.

The mambises were the guerrilla independence soldiers who fought for the independence from Spain of the Dominican Republic in the Dominican Restoration War, and

The operating system for local service businesses to find leads, track jobs, manage customers, and automate follow-ups.

Drippler helps consumers maximize their technology with AI-powered, community-driven tech support.

masterme provides a 24/7 AI-powered advisory board of 40 experts to help individuals make critical decisions under pressure.

The work platform teams love to use. Built with AI to power faster, smarter work at any scale.

Shopify provides a leading e-commerce platform that enables businesses of all sizes to create online stores, manage products, process payments, and fulfill orders, simplifying digital sales globally.

Own Age-nt.com today. Secure checkout and guided transfer support. No hidden fees.

An autonomous AI assistant that automates repetitive professional tasks, freeing up time for higher-value work.

AI and automation consulting for small and medium-sized businesses to streamline manual tasks.

Doorstep provides a lightweight, sensor-fusion powered SDK for delivery tracking and resolution, helping platforms and retailers reduce failed deliveries, cut refunds, and improve customer satisfactio

Induced is building the next evolution of actionable AI to automate tasks and disrupt the outsourcing industry.

A free, open-source e-commerce plugin for WordPress, empowering businesses to build and manage online stores.

Global information and insights company providing credit reporting, fraud prevention, and data analytics solutions.

A live streaming platform focused on video games, esports, and creative content, enabling millions to interact and create entertainment together.

Enterprise digital asset infrastructure platform enabling banks, exchanges, and fintechs to securely custody, transfer, tokenize, and settle digital assets at institutional scale.

Nestbase ranks Singapore homes by the things that actually matter — commute, school catchment, fair-value and neighbourhood — and tells you why.

Digital transformation and AI-powered services to help businesses scale and enhance customer experiences.

AI-powered platform for automating and optimizing digital marketing campaigns.

Venture builder and accelerator empowering entrepreneurs with technology and AI-driven methodology.