Top Open-Source Frameworks for
WordPress Plugin & Theme Developers

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Freemius

Analytics, monetization and marketing automation.

Freemius framework powers 1,990,140+ websites and is used by 39 #plugins on #WordPress.org.
Tweet Old Custom Post
300
3.00
3,265

Plugin that automatically tweets your old posts (including custom posts) which helps you increase the traffic on your website.

WordPress Google Maps Plugin Lite
40,000+
4.40
197,428

A simple, easy and quite powerful Google Maps tool to create, manage and embed custom Google Maps into your WordPress posts and pages.

Postmatic Basic - Subscribe to Comments & Posts. And simply reply.
1,000+
4.80
50,326

Relationships are a two-way street. WordPress email can be too.

Chamber Dashboard Business Directory
1,000+
4.30
16,328

Create a directory of businesses. Specifically designed for chambers of commerce to store information about businesses and display them on a website.

WP Mobile Menu
4,000+
4.40
29,066

Transform your website with a user friendly, dedicated and responsive mobile menu.

Go Fetch Jobs (for WP Job Manager)
500
4.80
3,697

Instantly populate your WP Job Manager database using RSS job feeds from the most popular job sites.

Sprout Invoices - Client Invoicing & Estimates / Quotes
1,000+
4.80
44,734

Create estimates and invoices within your WordPress site. Accept invoice payments from multiple payment processors.

Mobile App Plugin - Make a mobile app - Native iPhone & Android Mobile App WordApp is FREE
3,000+
3.90
64,215

Mobile App Plugin iPhone & Android Make your Wordpress website to a Mobile app & mobile website. NO CODING mobile app for FREE

TinyMCE Annotate
2,000+
4.70
10,653

Create annotations in your content.

Freemage
70
1.00
242

Search for free or creative commons images from your media manager. Great for finding featured images or photos for your blog posts.

CF7 Customizer
6,000+
4.70
19,458

CF7 Customizer is an intuitive plugin to design your contact forms via WordPress live customizer, right at the front-end.

Rating-Widget: Star Review System
10,000+
4.60
699,867

The most popular Five Star Review System on the web. User-friendly ratings for: posts, pages, comments, WooCommerce, BuddyPress and bbPress forums.

LinkedIn Login
800
4.30
6,554

Allows your WordPress website visitors to login using their LinkedIn account.

Import Social Statistics
0
0.00
111

Import Social Statistics tracks the number of social interactions for each post.

Where did they go from here
1,000+
3.00
30,516

Show "Readers who viewed this page, also viewed" links on your page. Much like Amazon.com's product pages.

Ultimate Widgets Light
3,000+
4.60
54,072

Ultimate Widgets includes several widgets/shortcodes with a style unique covering many different things you may need to add to your website.

WooCommerce Fiscalita Italiana
0
0.00
191

Easy Italian Fiscality for WooCommerce: checkout fields, invoices, digital goods and everything you need for a store based in Italy

WC Marketplace
3,000+
4.80
37,748

WC Marketplace is the fastest growing multi-store marketplace plugin for WooCommerce.

Expire tags
20
4.50
612

Make tags expire on a certain date.

Addendio LITE - Search Plugins and Themes
40
5.00
1,138

Try any plugin/theme on a sandbox for FREE. No more messing around with your installation.

Meta Tag Manager
20,000+
4.70
128,555

Easily add and manage custom meta tags to various parts of your site or on individual posts, such as Yahoo and Google verification tags.

Popup Maker
70,000+
4.90
455,497

Easily create attractive popups. Customize nearly every aspect of your popups, from theme & position, to targeting & cookies.

Ninja Forms
700,000+
4.50
4,024,366

Drag and drop fields in an intuitive UI to create create contact forms, email subscription forms, order forms, payment forms, send emails and more!

Pootle Pagebuilder
3,000+
4.40
31,218

Pootle Pagebuilder is a front-end, drag and drop page builder that makes it easy to create beautiful WordPress pages and posts.

Stellar Places
500
5.00
3,765

Easily create, manage and display locations in a way that makes sense.

Simple Facebook Page Widget & Shortcode
10,000+
5.00
63,149

Easily display a Facebook Page's feed using a customizable widget or shortcode - now supports Page tabs & CTA!

Hotjar Connecticator
7,000+
4.00
23,809

The easy way to add your Hotjar code to your WP site.

Content Aware Sidebars
30,000+
4.80
378,348

Display custom sidebars on any post, page, category etc. Supports bbPress, BuddyPress, WooCommerce, Easy Digital Downloads and more.

Content Resharer
300
2.30
5,542

This plugin allows site owners to automatically schedule and reshare their content on Twitter and increase social traffic without lifting a finger.

Quiz Cat - WordPress Quiz Builder
1,000+
4.80
10,480

Quiz Cat Lets You Create Beautiful Viral BuzzFeed-style Quizzes That Drive Social Shares & User Engagement. Set It Up In 2 Minutes.

Nugget by Ingot: Easy, automated and native A/B testing for everyone
0
0.00
177

A tiny nugget of Ingot - A/B testing made easy for WordPress - Do less, convert more.

NextGEN Gallery - WordPress Gallery Plugin
1,000,000+
3.30
16,169,509

The most popular WordPress gallery plugin and one of the most popular plugins of all time with over 16 million downloads.

Sprout Clients - CRM and Lead Management
90
5.00
693

Properly leveraging your contact lists isn’t sending out a single email to the entire list asking for work — instead you need to build business re

Contact Plus
0
0.00
315

Connect your existing contact forms to workflow so you can manage leads more effectively.

WP Smart Export (Free)
100
5.00
1,701

A smarter and highly customizable data exporter for outputting posts data in human readable form.

WP to Twitter
70,000+
3.90
2,914,693

Posts a Twitter update when you update your WordPress blog or add a link, with your chosen URL shortening service.

Buffer Connector - HYPESocial
1,000+
4.50
22,423

Get more social traffic by easily connecting your WordPress to Buffer, and automatically sharing posts & pages to Twitter, Facebook, LinkedIn, etc

Enhanced Catalog Images for WooCommerce
20
0.00
162

Enhance your WooCommerce catalog images with multiple effects.

Form Builder & Front End Editor BuddyForms
400
5.00
2,021

A simple, yet powerful form builder which allows users to submit contact forms or content via front end to your webpage and contribute to a larger pro