Best alternatives directory

Browse the best open-source alternatives by proprietary software.

Search products like Notion, Slack, Spotify, Jira, or Google Analytics and jump into curated lists of the best open-source replacements.

Best alternative software

Showing 36 of 667 products.

Page 2 of 19

SendGrid

sendgrid

A platform for sending transactional and marketing emails with tools for email creation, delivery, and analytics.

15 tools

Chanty

chanty

A team communication platform that combines messaging, task management, and voice calls to help teams collaborate efficiently in one workspace.

14 tools

ChatGPT

chatgpt

An AI chatbot, capable of understanding and generating human-like text, assisting in conversations, answering queries, and more.

14 tools

Claude

claude

A next generation AI assistant built for work and trained to be safe, accurate, and secure.

14 tools

Contentful

contentful

A headless CMS that provides content infrastructure for digital teams to manage, integrate, and deliver content to any platform or device.

14 tools

Dropbox

dropbox

Cloud storage and file synchronization company, offering services to organize, share, and collaborate on digital content.

14 tools

Okta

okta

A cloud-based identity and access management platform that enables businesses to secure and manage their users and applications.

14 tools

Retool

retool

A quick way to build internal tools with drag-and-drop components and connecting them to databases and APIs to create complex workflows.

14 tools

AWS Cognito

aws-cognito

Fully managed authentication service that lets you implement customer identity and access management (CIAM) that scales to millions of users.

13 tools

Amplitude

amplitude

A product analytics platform that enables you to understand user behavior and make data-driven decisions to improve your product experience.

13 tools

Auth0

auth0

An easy-to-implement, adaptable authentication and authorization platform for developers managing identity infrastructure.

13 tools

AutoSend

autosend

Automate your email campaigns and follow-up sequences with intelligent scheduling and personalization features that boost engagement and conversion rates.

13 tools

Coda

coda

A versatile document platform that blends the flexibility of documents, the power of spreadsheets, and the utility of apps into one new way to start, organize, and collaborate.

13 tools

CodeGPT

codegpt

AI-powered coding assistant that helps developers write, debug, and optimize code faster with intelligent suggestions and automated solutions.

13 tools

GitHub Copilot

github-copilot

Create tests, docs, and more. Ask GitHub Copilot a question, get the right answer for you, and accept the code with a single click.

13 tools

Linear

linear

Streamlines issues, projects, and roadmaps. Purpose-built for modern product development.

13 tools

Logseq

logseq

A privacy-first, open-source knowledge base that works on top of your local plain-text Markdown and Org-mode files, suitable for note-taking and task management.

13 tools

Pinecone

pinecone

A scalable vector database service that is optimized for machine learning and AI applications, enabling similarity search at scale.

13 tools

Resend

resend

The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

13 tools

Tana

tana

Welcome to the future of work. Build anything. Use it for everything. Kill your SaaS subscriptions.

13 tools

Webflow

webflow

A design and website building tool that allows designers to create responsive websites visually, without writing code.

13 tools

Airplane

airplane

A platform for developers to easily build, run, and share internal tools and automated workflows with a developer-first approach.

12 tools

Elementor

elementor

Build professional WordPress websites with drag-and-drop visual editing, pre-designed templates, and advanced customization options without coding.

12 tools

Google Drive

google-drive

A cloud storage and file management service that allows users to store files in the cloud, synchronize files across devices, and share files with others.

12 tools

Google Keep

google-keep

Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.

12 tools

Mailchimp

mailchimp

An all-in-one marketing platform that helps you manage and talk to your clients, customers, and other interested parties.

12 tools

Microsoft OneDrive

microsoft-onedrive

Secure cloud storage service that syncs files across devices, enables real-time collaboration, and integrates seamlessly with Microsoft 365 apps.

12 tools

MongoDB

mongodb

A NoSQL database program that uses JSON-like documents with optional schemas.

12 tools

OneNote

onenote

Organize notes, ideas, and info across devices. Collaborate, sync, and search easily. Ideal for work, study, and personal use.

12 tools

Perplexity

perplexity

An AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.

12 tools

Qoder

qoder

An agentic coding platform for real software, think deeper, build better.

12 tools

Stripe Billing

stripe-billing

A subscription and billing platform for online businesses.

12 tools

Tableau

tableau

Turns trusted data into actionable insights. Make better decisions every time with an intuitive, AI-powered analytics platform.

12 tools

Tresorit

tresorit

Share files securely with anyone using encrypted cloud storage. Get the highest standard of data security in the cloud.

12 tools

Windsurf

windsurf

The first agentic IDE, and then some. The Windsurf Editor is where the work of developers and AI truly flow together, allowing for a coding experience that feels like literal magic.

12 tools

WorkOS

workos

An API platform for quickly adding common enterprise features like SSO to your app, without building them from scratch.

12 tools