Tools for building ambitious startups

This entry now redirects to Miro, an AI-powered visual collaboration workspace with an infinite canvas for research, roadmaps, diagrams, and product development. Miro absorbed InVision's prototyping space after InVision shut down its core product.

Alternative toFigma|FFigJam|MMural

Invoiced (by Flywire) is an accounts receivable automation platform that streamlines the invoice-to-cash process, automating collections, payments, and AI-powered reconciliation for B2B. It helps finance teams lower DSO and reduce manual follow-ups.

Invoice Home is a cloud-based invoicing platform that lets users create, customize, and send professional invoices from over 100 templates with online payment collection. It targets freelancers and small businesses wanting simple PDF invoicing.

Alternative toIInvoicely|Wave|ZIZoho Invoice

Invoicely is a cloud-based invoicing platform that lets small businesses create and manage invoices, estimates, and bills with online payments, time and expense tracking, and financial reporting. The free tier offers unlimited invoices.

Alternative toIHInvoice Home|Wave|ZIZoho Invoice

InvoiceOcean is a cloud-based invoicing platform for creating and sending invoices, tracking income and expenses, managing inventory, and running financial reports. It offers mobile apps and integrates with payment processors.

Invoices by Square lets businesses send invoices and estimates, create contracts, and collect payments online. The invoicing software is free to use, with payment processing fees charged per transaction.

Alternative toPayPal|Stripe|FreshBooks

Bonsai offers free customizable invoice templates plus a full business management platform covering invoicing, project management, time tracking, contracts, and payments. It is aimed at freelancers, agencies, and small businesses.

Alternative toFreshBooks|QQuickBooks|Xero

Ionicons is a free, open source icon library by the Ionic Framework team, offering hand-crafted SVG icons optimized for web, iOS, Android, and desktop apps.

IsoRepublic provides a curated library of thousands of free, high-resolution stock photos and videos under CC0 licensing, usable for commercial and personal projects without attribution.

JazzHR is an applicant tracking system and recruiting platform that streamlines job posting, candidate sourcing, resume screening, interview scheduling, and offer management. It is built for small and mid-sized businesses.

Jekyll is a free, open source static site generator that turns Markdown, Liquid, HTML, and CSS into static websites and blogs ready for deployment, with first-class support for GitHub Pages.

Alternative toHHugo|Gatsby|NNext.js

Jira is Atlassian's project management and issue tracking tool that helps teams plan, track, and ship work at scale, with scrum and kanban boards, agile reporting, and AI agents. It is widely used by software and cross-functional teams.

Alternative toAsana|LLinear|MMonday.com

Jitsi is a free, open source video conferencing platform for web and mobile that lets people start encrypted meetings without an account. It can be self-hosted, embedded into apps, or used via the hosted meet.jit.si service.

Alternative toZoom|MTMicrosoft Teams|GMGoogle Meet

Jotform is an online form builder that lets anyone create forms with conditional logic, accept payments, generate reports, and automate workflows without coding. It serves over 35 million users worldwide.

Alternative toTypeform|Google Forms|WWufoo

Julian Shapiro's Startup Handbook is a free web guide that teaches tech founders frameworks for product validation, growth, customer acquisition, retention, hiring, and fundraising, drawn from analysis of hundreds of companies.

Kap is a free, open source screen recorder for macOS that captures recordings and exports them as GIF, MP4, WebM, or APNG, with click highlighting, trimming, and sharing integrations.

Alternative toLoom|SScreenFlow|OSOBS Studio

Kayako is an AI-powered help desk and unified customer service platform that automates ticket triage, drafts replies, and resolves cases across an omnichannel inbox of email, chat, social, and voice, with a knowledge base and analytics.

Alternative toZendesk|Freshdesk|Intercom

Keap is a CRM and sales and marketing automation platform built for small businesses. It handles lead capture, email and text marketing, sales pipelines, appointments, invoicing, and lifecycle automation.

Alternative toHubSpot|ActiveCampaign|GGoHighLevel

Keen is a fully managed event streaming and analytics platform that lets developers collect real-time event data, run analytics queries, and embed customer-facing dashboards via API, without building their own data infrastructure.

Alternative toMixpanel|Amplitude|Segment

Keyhole is a social media analytics platform for real-time hashtag and keyword tracking, social listening, influencer discovery, and campaign reporting across networks like Twitter, Instagram, and Facebook. It was acquired by Muck Rack in 2024.

Alternative toBBrandwatch|SSSprout Social|Hootsuite

Keywords Everywhere is a browser extension that shows search volume, CPC, competition, and related keyword data across Google, YouTube, Amazon, and 15+ other sites for SEO, PPC, and content research.

Alternative toSEMrush|Ahrefs|MMoz

Keyword Tool generates hundreds of long-tail keyword suggestions from search engine autocomplete data across 15+ platforms including Google, YouTube, Amazon, and TikTok, for SEO, content, and PPC research.

Alternative toGKGoogle Keyword Planner|SEMrush|Ahrefs

Kickstarter is a crowdfunding platform that helps creators raise money to bring creative projects to life across film, music, art, games, design, and more. It uses an all-or-nothing funding model where creators only pay fees if their project meets its goal.

Alternative toIndiegogo|GGoFundMe|Patreon

Kissmetrics is a customer analytics and engagement automation platform that tracks individual user behavior across websites and apps. It offers funnel and cohort reports, behavioral segmentation, and automated email campaigns to grow revenue.

Alternative toMixpanel|Amplitude|GAGoogle Analytics