Awesome Building Blocks for Web Apps

UI components, by the creators of Tailwind CSS.

JavaScript UI library and framework for displaying data in different ways.

Interactive charts for web.

JavaScript bridge for Xamarin.Forms.

Themes for React, Angular, Vue, Lavarel and HTML5.

Data visualization components and PDF Viewer.

Vue admin template.

UI design systems for all major frontend frameworks.

Open source UI component library for React, Meteor, Ember and Angular.

Design blocks for web or mobile apps.

Bootstrap templates, themes and UI kits.

React templates for landing pages, built on Tailwind CSS.

Contextual popups, banners and bars for mobile and desktop visitors.

Interactive opt-in form for collecting email addresses.

Popups and forms that can be integrated anywhere in the website.

Authentication, done for you.

PaaS from Google, including authentication management.

Authentication and Authorization solution with support for Angular, React and VueJS.

Authentication focussed on company internal applications.

Authentication management in Azure, based on Microsoft accounts.

Provides user identity and data synchronization.

Stand-alone booking solution.

Online scheduler integrated into Zoho Suite.

Appointment scheduling with extensive API.

Booking tool with many features in the free tier.

Appointment scheduling with focus on group scheduling.

Booking tool with its own booking directory.

Scheduling via ScheduleOnce and meeting management via InviteOnce.

Online scheduling for teams.

Scheduling API for marketplaces & applications.

Appointment scheduling with coupons.

Booking and online directory components.

Mobile and web notifications.

Notifications including a PHP SDK.

Notifications focused on speed.

Notifications as part of a larger marketing suite.

Free notifications with paid analytics add on.

Activity feed & chat APIs.

Social media aggregator.

Chatbot in Freshworks support suite.

AI-powered live chat.

Video chat.

Sentry provides self-hosted and cloud-based error monitoring that helps all software teams discover, triage, and prioritize errors in real-time.

Error monitoring as part of the Raygun suite.

Exception, uptime, and performance monitoring for Ruby.

Error monitoring with the ability to replay HTTP requests that caused errors.

Headless content management system.

Cookie consent manager.

Compliance manager that can be implemented as part of existing pages.

Compliance management as part of a suite including also ad blocker recovery.

Compliance management as part of an analytics tool.

German management tool for Cookie Consent.

Consent management platform for GDPR, CCPA, COPPA compliance.

Privacy management for the CCPA, GDPR, LGPD and 900+ other global regulations.

Cookie tracking manager.

Consent management and terms and conditions generator.

Smaller Cookie and GDPR compliance product.

German cookie consent manager.

Focus on compliance reporting via a dashboard.

Cookie management as part of a privacy management solution.

Paid - An API to play videos directly to the client. Can also power live streams.

Client-side JavaScript library which allows you to create a new player in Spotify Connect and play any audio track from Spotify in the browser via encrypted media extensions.

Form that sends its results to your email.

Building, versioning and managing forms.

Shows recent buyers on your website.

Combination of push notifications and changelog management.

A product release notes tool.

Changelog as stand-alone page or embeddable widget.

Combines changelog with product roadmaps.

Changelog widget around a product team task management system.

Changelog building kit.

Voice, messaging, video and data capabilities across unified communications, contact centers and communications APIs.

Social sharing buttons, available on AMPs.

Social sharing buttons.

Sharing buttons for many different target services.

Hosted Search API that delivers instant and relevant results from the first keystroke.

Feature flags combined with A/B testing.

Feature management with multiple integrations in CI servers and ticketing systems.

Another feature management with multiple integrations in CI servers and ticketing systems.

SDK to patch, fix bugs, modify and manipulate native apps (Obj-c & Swift) in real-time.

Collect reviews from e-commerce, social media and review service providers and embed on a website.

Collect, monitor and display customer reviews.