Explore FounderStack Directory

Lemon Squeezy is a merchant of record for digital products and SaaS, handling payments, taxes, subscriptions, and licensing for online businesses.

Alternative to:Paddle

Twist is an async team communication app from Doist. It organizes work discussions into channels and threads for teams that want fewer interruptions and more focused collaboration.

Alternative to:Slack

Element is an encrypted messaging and collaboration app built on Matrix. It suits teams that need self-hosting, data control, and interoperable communication.

Alternative to:Slack

OVHcloud provides public cloud, dedicated servers, web hosting and infrastructure services for startups, developers and businesses.

Alternative to:Amazon Web Services (AWS)

Vultr is a cloud infrastructure platform offering compute, GPUs, storage, bare metal, and Kubernetes. It targets developers, startups, and businesses.

Alternative to:Amazon Web Services (AWS)

InterServer provides web hosting, VPS, dedicated servers and colocation for websites, applications and infrastructure workloads. It serves individuals, businesses and developers.

Alternative to:Amazon Web Services (AWS)

DigitalOcean is a cloud platform for developers, startups, and growing businesses. It provides virtual machines, managed databases, Kubernetes, storage, and application hosting.

Hetzner provides cloud, dedicated servers, storage and hosting for developers and businesses, with hourly or monthly billing and API-based infrastructure management.

Alternative to:Amazon Web Services (AWS)

Outrank automates keyword research, SEO content creation, publishing and backlink building for businesses that want to grow organic traffic with less manual SEO work.

Alternative to:Soro

AutoSEO automates keyword research, SEO content creation, publishing and backlink building for small businesses that want ongoing organic search growth.

Alternative to:Soro

Arvow automates SEO research, content creation, publishing, technical optimization and backlink building. It is built for marketers, agencies and businesses.

Alternative to:Soro

Soro automates keyword research, SEO content creation, optimization, and publishing. It is built for businesses that want consistent organic content without managing the workflow manually.

Alternative to:Distribb

Zulip is an open-source team chat platform with topic-based conversations, built for teams that need organized, searchable communication.

Alternative to:Slack

Rocket.Chat is a team collaboration platform with messaging, calls, integrations, and automation. It supports organizations that need self-hosting, data control, or secure cloud deployment.

Alternative to:Slack

Mattermost is an open source collaboration platform for technical and operational teams with messaging, calls, workflows, and integrations. It supports self hosted and cloud deployments.

Alternative to:Slack

Slack is a team communication platform for messaging, meetings, files, workflows, and app integrations. It supports startups through enterprise organizations.

Alternative to:Twist

Kelviq is a Merchant of Record and monetization platform for SaaS, AI, and digital products. It combines payments, subscriptions, usage-based billing, entitlements, global tax handling, checkout, and digital product delivery in one platform.

Alternative to:Paddle

Semrush is a broad online visibility and digital marketing platform for researching keywords, analyzing competitors, auditing websites, tracking rankings, managing backlinks, creating content, and monitoring brand visibility across search engines and AI platforms. It is used by startups, businesses, agencies, marketers, and enterprise teams.

Alternative to:Ahrefs

Ahrefs is an SEO and marketing platform used to research keywords, analyze competitors, audit websites, track rankings, research backlinks, discover content opportunities, and monitor visibility in AI search. It is used by SEO professionals, marketers, agencies, businesses, and content teams.

Alternative to:Semrush

Serpstat is an SEO and search marketing platform that helps businesses, marketers, and agencies research keywords, analyze competitors, track rankings, audit websites, analyze backlinks, and plan content. It also provides keyword clustering, local SEO, AI content tools, API access, and AI search visibility features.

Alternative to:Semrush

SE Ranking is an SEO platform for agencies, businesses, and in-house marketing teams. It combines keyword research, rank tracking, competitor research, website audits, backlink analysis, content tools, local SEO, reporting, and AI search visibility tracking in one platform.

Alternative to:Semrush

Mangools is an SEO toolkit that combines five core tools: KWFinder for keyword research, SERPChecker for SERP analysis, SERPWatcher for rank tracking, LinkMiner for backlink analysis, and SiteProfiler for SEO metrics and domain research. It is aimed at solopreneurs, freelance SEOs, marketers, teams, and agencies.

Alternative to:Keyword Insights

Keyword Insights is an SEO and content intelligence platform that uses live, location-specific SERP data to cluster keywords, identify search intent, discover content opportunities, create content briefs, and generate AI-assisted content. It is designed for SEO professionals, content teams, agencies, and businesses managing large keyword sets.

Alternative to:Mangools

LowFruits is an SEO keyword research and SERP analysis tool focused on finding long-tail, low-competition keywords. It helps users generate keyword ideas, analyze Google search results for weak competitors, group related keywords, research competitor keywords, and track rankings.

Alternative to:Mangools

Distribb is an AI SEO platform for businesses, startups, agencies, and founders that want to automate organic growth. It researches buyer-intent keywords, creates SEO content, publishes it to supported CMS platforms, builds backlinks through its business network, and tracks visibility across Google and AI search.

Alternative to:Soro

Amazon Web Services (AWS) is a broad cloud computing platform providing compute, storage, databases, networking, security, containers, serverless computing, AI, and many other infrastructure services. Developers can use services such as EC2 for virtual servers, Lightsail for simpler VPS hosting, and Lambda for serverless applications.

Alternative to:OVHcloud

Vercel is a cloud platform for building, deploying, and scaling modern web applications. It provides automated CI/CD, a global CDN, serverless and fluid compute, preview deployments, application security, observability, and infrastructure services, with particularly strong support for Next.js and modern JavaScript applications.

Alternative to:Clever Cloud

Render is a cloud platform for deploying and running web applications, APIs, background workers, cron jobs, workflows, static sites, and managed databases. It provides automatic builds and deployments, private networking, custom domains, TLS, scaling, logs, metrics, and infrastructure managed through a web dashboard and API.

Alternative to:Vercel

Railway is a cloud platform for deploying applications, databases, and services from GitHub or Docker images. It provides managed infrastructure with automatic deployments, private networking, environments, custom domains, logs, metrics, and usage-based pricing.

Alternative to:Vercel

Clever Cloud is a European Platform as a Service for deploying, running, and scaling web applications without managing the underlying infrastructure. It supports many programming languages and runtimes, managed databases, Docker, object storage, autoscaling, monitoring, and deployment through Git or its CLI.

Alternative to:Vercel

Qovery is a Kubernetes platform that gives engineering teams a self-service way to provision infrastructure, deploy applications, and manage production environments on their own cloud accounts. It supports AWS, GCP, Azure, Scaleway, and existing Kubernetes clusters, with built-in CI/CD, preview environments, monitoring, security, and infrastructure management.

Alternative to:Vercel

Northflank is a cloud-native developer platform for building, deploying, and scaling applications, jobs, databases, and AI workloads. It provides managed cloud infrastructure as well as Bring Your Own Cloud options for AWS, GCP, Azure, and other supported infrastructure.

Alternative to:Vercel

Stripe is a payment and financial infrastructure platform for businesses. It provides online and in-person payments, subscriptions, invoicing, payment links, marketplaces, payouts, fraud prevention, and other financial tools through APIs and pre-built interfaces.

Alternative to:Razorpay

Adyen is a global payment platform for businesses that need to accept online, in-person, and mobile payments. It combines payment processing, local payment methods, risk management, payouts, and other financial products through a single platform and API.

Alternative to:Stripe

Razorpay is a payments platform for businesses that provides payment gateways, payment links, subscriptions, invoices, payouts, and other financial infrastructure. It supports Indian payment methods such as UPI, cards, netbanking, wallets, and EMI, along with international card payments for eligible businesses.

Alternative to:Stripe

Paddle is a Merchant of Record platform for SaaS, software, AI, and digital product businesses. It combines payments, subscription billing, tax compliance, fraud protection, invoicing, customer support, and revenue recovery in one platform.

Alternative to:Dodo Payments

Gumroad is an e-commerce platform for creators, developers, educators, and digital businesses to sell digital products directly to customers. It supports digital downloads, ebooks, courses, memberships, subscriptions, software licenses, and other digital products, while handling payments and global sales tax as a Merchant of Record.

Alternative to:Paddle

Creem is a Merchant of Record and payments platform for software companies, SaaS businesses, AI products, and digital products. It handles payments, taxes, compliance, subscriptions, revenue splits, fraud protection, invoicing, and payouts.

Alternative to:Paddle

Polar is an open-source billing and Merchant of Record platform for developers, startups, and digital product businesses. It handles payments, subscriptions, usage-based billing, tax compliance, customer management, checkout, and automated product access.

Alternative to:Paddle

Dodo Payments is a Merchant of Record and payments platform for SaaS, AI, and digital product businesses. It handles global payments, subscriptions, usage-based billing, tax compliance, fraud protection, invoicing, and digital product distribution.

Alternative to:Paddle

MakerKit is a production-ready SaaS starter kit for developers building web applications. It provides authentication, billing, multi-tenancy, team management, admin tools, and other common SaaS infrastructure so developers can focus on building their product.

Alternative to:ShipFast

ShipFast is a Next.js SaaS boilerplate that handles the repetitive setup work behind launching a web product. It includes authentication, payments, database setup, transactional email, SEO, analytics, and reusable UI components so developers can focus on their product instead of rebuilding the same startup infrastructure.

Alternative to:Supastarter

SaaS Pegasus is a Django SaaS boilerplate that gives developers a configurable starting point for building production applications. It includes user accounts, teams, billing, APIs, background jobs, admin tools, feature flags, AI functionality, and deployment support.

Alternative to:ShipFast

Supastarter is a full-stack starter kit for building SaaS products with Next.js, Nuxt, or TanStack Start. It includes authentication, payments, organizations, API infrastructure, admin tools, email, storage, analytics, background jobs, SEO, and AI-ready workflows in a production-focused codebase.

Alternative to:ShipFast

NextSaaS is a production-ready Next.js starter kit for building SaaS products. It includes authentication, Stripe billing, team workspaces, messaging, transactional email, Docker configuration, Sentry error tracking, CI workflows, and an admin data browser so you can start building product features without setting up the usual SaaS infrastructure first.

Alternative to:ShipFast