YC Stacks

Figma

Figma is an online design platform that helps teams design and build digital products. It allows for real-time collaboration between designers, developers and others, making it easier to create and test designs, gather feedback, and ensure everyone is working from the same information. Figma streamlines the design process, from wireframing and prototyping to handing off designs to developers. It's used by various sizes and types of companies for web design, app design, and more.

PostHog

PostHog is an all-in-one product development platform. It helps you understand user behavior, run A/B tests, and manage features. With tools like session recording and product analytics, PostHog helps you build better products. It's open-source, scalable for any size team, and offers a generous free tier.

HubSpot Sales Hub

HubSpot Sales Hub is a sales software platform designed to help mid-sized and growing businesses streamline and automate their sales processes. It offers tools for managing contacts, tracking deals, sending emails, and analyzing sales performance. Its focus is on providing a user-friendly interface and a suite of integrated tools that work together seamlessly. HubSpot Sales Hub aims to improve sales efficiency, increase productivity, and drive revenue growth by providing a centralized system for managing all aspects of the sales pipeline.

Linear

Linear is a software platform designed for product development teams of all sizes to manage projects and build products efficiently. It provides tools to streamline and track issues, manage sprints, and build product roadmaps. Linear enables teams to collaborate on ideas, plan projects, visualize progress, and gain insights from real-time data analytics. It integrates with popular tools like Slack and Figma, making it a comprehensive solution for managing modern software development workflows.

Mercury

Mercury is a financial technology company offering banking and financial management tools specifically designed for startups. It provides FDIC-insured checking and savings accounts, credit cards, expense management, and integrations with accounting software. Mercury aims to simplify financial operations, offering a single platform for managing banking, expenses, invoicing, and bill payments. While not a bank itself, Mercury partners with established banks to provide these services.

Stripe Payments

Stripe Payments is a platform for businesses of all sizes to accept payments online. Through its software and APIs, it supports credit cards, debit cards, and various other payment methods globally. Stripe focuses on providing easy integration for businesses, from startups to large companies, with simple tools and flexible options for online payments.

Notion

Notion is an all-in-one workspace platform designed to help teams organize information, manage projects, and collaborate effectively. It centralizes notes, documents, tasks, and databases, making it easy for teams to access and share information. Notion allows users to customize their workspace with templates and integrations and offers AI features for writing assistance and information retrieval. It aims to be a flexible solution that adapts to various work styles and replaces the need for multiple single-purpose tools.

Puzzle

Puzzle is a modern accounting software designed for startups and bookkeeping firms. It automates tasks like expense categorization and accrual accounting, offering real-time financial insights, including cash flow, burn rate, and revenue metrics. Puzzle integrates with tools like Stripe and Brex, centralizing financial data. It emphasizes accuracy monitoring and offers a network of accounting experts for support. While designed for automation, Puzzle recognizes the continued need for professional financial oversight.

Framer

Framer is a website builder that helps teams design and launch professional websites. Its drag-and-drop interface and pre-designed templates make it easy to create visually appealing sites without coding. Framer includes features like responsive design tools, built-in SEO optimization, and a content management system for managing website content. It's suitable for individuals and businesses looking for an all-in-one solution for building and managing websites.

Slack

Slack is a communication platform designed to streamline teamwork. It offers real-time messaging, file sharing, and searchable archives of conversations, all in one place. Slack integrates with numerous other business applications to centralize workflows. It suits companies of all sizes seeking to improve collaboration and internal communication.

Ramp

Ramp is an all-in-one finance software designed for mid-sized to large businesses, particularly those in fast-growing sectors. It combines corporate cards, expense management, bill payments, and accounting automation into a single platform. Ramp aims to save businesses time and money by automating tasks, enforcing spending policies, and providing insights into company spending. It integrates with popular accounting systems and promises to simplify financial operations, making them more efficient and transparent.

Brex

Brex is a financial platform designed to help businesses manage their spending. It offers a suite of tools, including corporate cards with built-in controls, expense management software with AI-powered automation, and business banking with high-yield accounts. Brex aims to simplify financial operations for companies of all sizes, from startups to enterprises, with a focus on proactive spend control, automated workflows, and increased financial efficiency. It promises time savings through automation and improved compliance with company spending policies. However, it's important to note that Brex itself is a financial technology company, not a bank, and some banking services are provided through partner banks.

Fondo

Fondo offers automated bookkeeping, tax filing, and tax credit identification specifically for US-based startups. They handle federal and state corporate income taxes, Delaware Franchise Tax, and help claim R&D tax credits and the Employee Retention Credit. Fondo promises to simplify startup finances and maximize tax refunds, backed by a team of CPAs. They offer various resources and reporting tools to give founders better financial insights.

Foundersuite

Foundersuite helps startups raise money. It provides tools to find investors, organize contacts, and manage communication. Their platform includes a database of over 200,000 investors, tools for creating pitch decks and investor updates, and templates for emails and documents. Foundersuite is designed to streamline fundraising and investor relations, helping startups secure funding more efficiently.

Visible

Visible is an investor relationship management platform designed for startups and venture capital firms. For founders, it streamlines fundraising, investor updates, and performance reporting through dashboards and data rooms. For investors, it offers portfolio monitoring, data analysis, and LP reporting tools. Visible emphasizes security with data encryption and regular penetration testing. It offers a free 14-day trial for founders.

ChatGPT

ChatGPT is an AI chatbot that gives you instant answers and helps with creative tasks like writing emails or generating ideas. Think of it like a super-smart assistant who can understand your questions and provide helpful information or even craft different kinds of text for you. ChatGPT is made by OpenAI and can be used by anyone, from individuals to entire companies.