Awesome Building Blocks for Web Apps

Curated list of standalone features to be integrated into web applications: Get full features built by others instead of having to write everything yourself.

If you like these building blocks, check out componently.com, a marketplace where developers can search, compare and integrate web application building blocks.

Contents

• UI Elements
• Exit Intent Popup
• Auth
• Booking
• Notification
• Social
• Chat Bot
• Chat
• Monitoring
• Content Management
• Consent Management
• Media
• Form
• Marketing
• Changelog
• Telecommunication
• Social Media
• Search
• Feature flags
• Reviews
• Related awesome-lists

UI Elements

• Tailwind UI - UI components, by the creators of Tailwind CSS.
• Webix - JavaScript UI library and framework for displaying data in different ways.
• Highcharts - Interactive charts for web.
• Webatoms - JavaScript bridge for Xamarin.Forms.
• Creative Tim - Themes for React, Angular, Vue, Lavarel and HTML5.
• Syncfusion - Data visualization components and PDF Viewer.
• CoreUI - Vue admin template.
• UIfort - UI design systems for all major frontend frameworks.
• Semantic UI - Open source UI component library for React, Meteor, Ember and Angular.
• Design Revision’s Shards Pro - Design blocks for web or mobile apps.
• Themesberg - Bootstrap templates, themes and UI kits.
• Treact - React templates for landing pages, built on Tailwind CSS.
• Creative Designs Guru - Themes for React, Nextjs and Eleventy, built with Tailwind CSS.

Exit Intent Popup

• Wisepops - Contextual popups, banners and bars for mobile and desktop visitors.
• Listagram - Interactive opt-in form for collecting email addresses.
• Poptin - Popups and forms that can be integrated anywhere in the website.

Auth

• Auth0 - Authentication management with native support for Angular, React and VueJS.
• Firebase - PaaS from Google, including authentication management.
• Okta - Authentication and Authorization solution with support for Angular, React and VueJS.
• Onelogin - Authentication focussed on company internal applications.
• Microsoft Azure Active Directory - Authentication management in Azure, based on Microsoft accounts.
• AWS Cognito - AWS authentication management. Frontend integration is part of AWS Amplify.

Booking

• Calendly - Stand-alone booking solution.
• Zoho Bookings - Online scheduler integrated into Zoho Suite.
• Acuity Scheduling - Appointment scheduling with extensive API.
• 10to8 - Booking tool with many features in the free tier.
• SuperSaaS - Appointment scheduling with focus on group scheduling.
• SimplyBook.Me - Booking tool with its own booking directory.
• OnceHub - Scheduling via ScheduleOnce and meeting management via InviteOnce.
• YouCanBookMe - Online scheduling for teams.
• OnSched - Scheduling API for marketplaces & applications.
• AppointmentPlus - Appointment scheduling with coupons.
• Booxi - Booking and online directory components.
• Cogsworth Scheduler - Online Scheduler for business with a powerful API.

Notification

• OneSignal - Mobile and web notifications.
• Notific - Notifications including a PHP SDK.
• WonderPush - Notifications focused on speed.
• VWO Engage - Notifications as part of a larger marketing suite.
• Signalize - Free notifications with paid analytics add on.

Social

• Stream - Activity feed & chat APIs.
• EmbedSocial’s embedfeed - Social media aggregator.

Chat Bot

• Fresh chat - Chatbot in Freshworks support suite.
• Tiledesh - AI-powered live chat.

Chat

• Daily.co - Video chat.

Monitoring

• Sentry - Full-stack error monitoring with release management included.
• Raygun Crash Reporting - Error monitoring as part of the Raygun suite.
• Honeybadger - Error, uptime and check-in monitoring.
• Rollbar - Error monitoring with the ability to replay HTTP requests that caused errors.

Content Management

• Contentful - Headless content management system.

Consent Management

• Cookiefirst - Cookie consent manager.
• usercentrics - Compliance manager that can be implemented as part of existing pages.
• Sourcepoint - Compliance management as part of a suite including also ad blocker recovery.
• PiwikPro - Compliance management as part of an analytics tool.
• Consent Management Provider - German management tool for Cookie Consent.
• UniConsent - Consent management platform for GDPR, CCPA, COPPA compliance.
• TrustArc - Privacy management for the CCPA, GDPR, LGPD and 900+ other global regulations.
• Cookiebot - Cookie tracking manager.
• iubenda - Consent management and terms and conditions generator.
• Civic Cookie Control - Smaller Cookie and GDPR compliance product.
• CCM19 - German cookie consent manager.
• CookieInformation - Focus on compliance reporting via a dashboard.
• CookiePro - Cookie management as part of a privacy management solution.
• React Cookie Consent - A small and customizable cookie consent bar for React applications.
• React Cookie Banner - React cookie banner which can be automatically dismissed with a scroll.

Media

• Mux - Stream hosted and live videos.
• Spotify web playback SDK - 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

• Static Forms - Form that sends its results to your email.
• FlyingForms - Building, versioning and managing forms.

Marketing

• TrustPulse - Shows recent buyers on your website.

Changelog

• Beamer - Combination of push notifications and changelog management.
• Changelogfy - A product release notes tool.
• Changefeed - Changelog as stand-alone page or embeddable widget.
• Canny’s Changelog - Combines changelog with product roadmaps.
• ProductFlare’s Changelog - Changelog widget around a product team task management system.
• Changes - Changelog building kit.

Telecommunication

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

Social Media

• AddThis - Social sharing buttons, available on AMPs.
• ShareThis - Social sharing buttons.
• AddToAny - Sharing buttons for many different target services.

Search

• Algolia - Search for your application.
• Search UI - UI integration for ElastiSearch.

Feature flags

• Optimizely’s Rollouts - Feature flags combined with A/B testing.
• LaunchDarkly - Feature management with multiple integrations in CI servers and ticketing systems.
• Split - Another feature management with multiple integrations in CI servers and ticketing systems.
• Rollout - Feature management focusing on segmented roll-out of features.

Reviews

• JustReview - Collect reviews from e-commerce, social media and review service providers and embed on a website.
• ReviewsOnMyWebsite - Collect, monitor and display customer reviews.

Related awesome-lists

• Web Components
• Microservices
• Micro Frontends