Of course, this list is by no means exhaustive: we limited ourselves to 50, based on the objective popularity of these sites (number of Facebook fans and Twitter followers), but we could have added many more.

Also we invite you to tell us your reference sites in the comments.

To get a quick overview of the content of the sites, we chose to indicate their main theme through the following color code: 

  Emailing

  Social Networks

  Analytics

  Content creation

  Online advertising

  CMS

  Data

  Other

1. Adobe  

Number of followers on Twitter: 429,000
Number of fans on Facebook: 7 million
Creator of, among other things, Photoshop, Illustrator, InDesign or
Acrobat software, Adobe is a key player in photo, video or audio editing. If
you're doing Inbound Marketing, you'll inevitably use one of its products
at one point or another.

2. WordPress 

Number of followers on Twitter: 980,000

Number of fans on Facebook: 12 million 

WordPress is a content management system or CMS (Content management
system in English) primarily used as a blog engine. In 2015, 25%
of websites in the world use Wordpress.  

3. Hubspot   

Number of followers on Twitter: 650,000

Number of fans on Facebook: 849,000
Hubspot is a key company in Inbound Marketing, which it has largely
contributed to making known since 2006. Hubspot markets a
fully integrated solution for doing Inbound Marketing in an optimal way.

4. Salesforce 

Number of Twitter followers: 517,000
Number of Facebook fans: 329,000
A publisher of web-based management software, Salesforce is best known for its
CRM solutions, of which it is now the world leader.

5. Stumbleupon 

Number of Twitter followers: 653,000
Number of Facebook fans: 541,000
A totally free recommendation system, StumbleUpon allows you to discover
a multitude of websites based on your interests. This site is ideal for finding content,
ideas or keeping up with new concepts.

6. Mail Chimp  

Number of followers on Twitter: 188,000
Number of fans on Facebook: 141,000
Mailchimp is a tool that allows you to create newsletters thanks to templates,
automate sendings, integrate content on social networks. It allows
also to manage contact files and to make statistical follow-ups of your
campaigns.

7. Hootsuite 

Number of followers on Twitter: 7 million
Number of fans on Facebook: 562,000
A social network management tool created in 2008, Hootsuite takes the form of a
dashboard. It integrates feeds from various social networks such
as Facebook, Twitter, LinkedIn, Google+, Foursquare, Mixi, MySpace, Ping and
Wordpress.

8. Oracle 

Number of Twitter followers: 387,000
Number of Facebook fans: 529,000
Oracle is the professional database giant. It is responsible for
MySQL Server and Workbench software, Oracle Database, and Java solutions, among other things.

9. Moz   

Number of Twitter followers: 409,000
Number of Facebook fans: 203,000
Moz is, along with Hubspot, he other leading Inbound Marketing and
Marketing Analytics SaaS solution. The community is very active and includes over one
million marketers worldwide.

10. Visual.ly  

Number of followers on Twitter: 138,000
Number of fans on Facebook: 177,000
Visual.ly is a community platform for data visualization
and infographers. It is an indispensable tool for making your eBooks or
interactive microsites.

11. Vertical Response  

Twitter followers: 183,000
Facebook fans: 39,000
Vertical response allows you to create and send marketing emails as well as
social media posts, and then track them with frighteningly
effective tracking.

12. Constant Contact  

Number of Twitter followers: 67,000
Number of Facebook fans: 126,000
Constant Contact is an online marketing company. The services offered
enable sending personalized emails built on simple
usage templates.

13. Kissmetrics 

Number of Twitter followers: 230,000
Number of Facebook fans: 28,000
Kissmetrics is a powerful analytics and optimization tool, which is used to better
identify internet users' habits and interests and thus make better
decisions.

14. Infusion Soft 

Twitter followers: 36,000
Facebook fans: 124,000
Infusionsoft addresses small businesses with software built to drive
both sales and marketing.

15. Sprout Social   

Twitter followers: 53,000
Facebook fans: 51,000
Sprout Social allows you to manage communities, having a presence on
social networks and providing customer service across all channels.

16. Get response 

Number of Twitter followers: 104,000
Number of Facebook fans: 29,000
Get Response offers email marketing. This tool makes it easy to create
newsletters and automates mailings with very precise targeting.

17. News Cred 

Number of followers on Twitter: 106,000
Number of fans on Facebook: 17,000
News Cred helps manage content creation, facilitates its distribution. It also allows
the study of its impact on the different distribution channels.

18. Unbounce 

Number of followers on Twitter: 60,000
Number of fans on Facebook: 12,000
Unbounce makes it easy to create responsive landing pages on mobile without
needing programming knowledge.

19. Word Stream  

Number of Twitter followers: 54,000
Number of Facebook fans: 22,000
Word Stream is used to benchmark performance, analyze results
from campaigns and optimize online advertising to make more
conversions.

20. Bright Cove  

Twitter followers: 14,000
Facebook fans: 20,000
brightcove offers cloud-based video solutions. Through the creation of
unique videos, for employees or customers, it is possible to convert
more people and avoid adblockers.

21. Offerpop  

Number of Twitter followers: 8,000
Number of Facebook fans: 47,000
offerpop is a visual user-generated content (UGC) platform.
It promotes this type of content to increase marketing performance for
brands.

22. Hortonworks 

Number of Twitter followers: 97,000
Number of Facebook fans: 36,000
Hortonworks is a software company that develops Apache Hadoop. This tool
enables the distribution of large amounts of data from clusters
of computers.

23. Scoop.it  

Number of followers on Twitter: 88,000
Number of fans on Facebook: 67,000
scoop.it! is a free content curation tool. Each member of the
community can make their own curation and share it on social networks.

24. Woobox   

Number of followers on Twitter: 7,000
Number of fans on Facebook: 204,000
Woobox offers social network apps to facilitate contests,
polls, quizzes, coupons and other promotions. You will be able to increase the
number of your fans and followers and ensure their loyalty.

25. Campaign Monitor   

Number of followers on Twitter: 30,000
Number of fans on Facebook: 10,000
To create email campaigns and measure their impacts, Campaign Monitor proves to be an effective solution. 

26. SEMrush 

Number of followers on Twitter: 31,000
Number of fans on Facebook: 40,000
SEMrush offers an SEO analysis tool. It allows you to observe the strategies of the
competition in its keyword rankings, in organic and
paying search.

27. Percolate 

Number of Twitter followers: 36,000
Number of Facebook fans: 7,000
Percolate is a marketing software that allows you to centralize all
campaigns. Percolate is well suited for large companies to make it easier for them to
collaborate.

28. Magento 

Number of followers on Twitter: 59,000
Number of fans on Facebook: 18,000
Magento is the go-to software for e-commerce. Magento is also a platform offering multiple solutions. All of it is open source.

29. Canva 

Followers on Facebook: 447,000

Canva is an intuitive online software that allows you to create consistent, effective and affordable graphic designs. With the Canva print you can also bring your designs to life by printing them.

30. Woo Themes 

Number of followers on Twitter: 40,000
Number of fans on Facebook: 35,000
WooThemes offers a large number of Wordpress themes and plugins to add to
his or her website to improve its performance and visual qualities.

31. Act-on                         

Number of followers on Twitter: 28,200
Number of fans on Facebook: 25,000
Act-on is a SaaS dedicated to Marketing Automation.  To attract
prospects and turn them into leads or brand ambassadors Act-on uses both
email, landing pages and social network prospecting.

32. Co Schedule 

Number of followers on Twitter: 19,000
Number of fans on Facebook: 4,000

Co Schedule allows you to schedule your posts on social networks and on your
blog.

33. Buffer 

Number of Twitter followers: 405,000
Number of Facebook fans: 284,000

Buffer is a scheduling dashboard for posts on
social networks. Buffer extensions make it easy to curate content on the web.

34. MapR 

Number of followers on Twitter: 32 000

Number of fans on Facebook: 32 000

MapR is a vendor that develops and sells Apache Hadoop software. It ensures data protection and improves performance.

35. Ooyala  

Number of followers on Twitter: 13 000

Number of fans on Facebook: 3 000

Ooyala is a cloud-based platform for video content creation. The tool allows you to design, publish, customize and monetize videos on any screen.

36. Contently 

Number of followers on Twitter: 55 000

Number of fans on Facebook: 34 000

Contently facilitates the creation of quality and unique content through a network of freelance talent (journalists, videographers, designers, photographers).

37. Criteo   

Number of followers on Twitter: 12,000

Number of fans on Facebook: 11,000

Criteo does retargeting, which is personalized online advertising. The Internet user who has seen a product on a merchant site will see it reappear on future visits to other pages.

38. Outbrain 

Number of followers on Twitter: 14 000

Number of fans on Facebook: 73 000

Outbrain is a sponsored content distribution platform. It allows links to merchant sites to be featured on online media. Outbrain uses what it calls behavioral targeting.

39. Thunderclap 

Number of followers on Twitter: 85 000

Number of fans on Facebook: 35 000

Thunderclap is a platform that facilitates the mass sharing of content on social networks. Aimed at individuals and businesses, Thunderclap works like Kickstarter, with a quota to reach.

40. Searchmetrics  

Number of followers on Twitter: 5 000

Number of fans on Facebook: 32 000

Searchmetrics is an SEO software for businesses that allows you to analyze content, optimize it and give accurate analysis. It allows for data automation.

41. Kenshoo 

Number of followers on Twitter: 7 000

Number of fans on Facebook: 9 000

Kenshoo provides an online advertising solution and marketing automation system in Agile method.

42. Optimizely 

Number of followers on Twitter: 20 000

Number of fans on Facebook: 7 000

Optimizely is a personalization software on desktop, mobile or apps. Developed with businesses in mind, it allows for A/B testing and individualized navigation.

43. Emma   

Number of fans on Facebook: 15 000

Emma allows you to build effective email campaigns by analyzing data, implementing automation and managing your subscribers.  

44. TIBCO      

Number of followers on Twitter: 7 000

Number of fans on Facebook: 14 000

TIBCO is a software that enables the integration of an enterprise ssocial network. It facilitates collaboration between employees, customers and partners.

45. Estimote 

Number of followers on Twitter: 14 000

Number of fans on Facebook: 14 000

Estimote produces sensor chips that can be attached anywhere, to any object. These chips will then allow you to receive all sorts of data on your smartphone (temperature, geographical location, etc.)

46. Contact Out 

Contact Out serves to collect information about a Linkedin profile (phone, email address) thanks to an easy to use extension. 

47. Post Planner 

Number of fans on Facebook: 305 000

Post Planner allows you to plan your social media posts through a broadcast platform.

48. Yext 

Number of followers on Twitter: 8 000

Number of fans on Facebook: 9 000

Yext allows you to update a company's geolocation across different sites through a single dashboard. In this way, it encourages visits to physical locations.

49. Kaggle 

Number of followers on Twitter: 39 000

Number of fans on Facebook: 9 000

Kaggle est une plateforme de modélisation de prédiction en data science. Les entreprises, statisticiens et chercheurs y contribuent pour produire le meilleur modèle.

50. Stata 

Number of followers on Twitter: 9 000

Number of fans on Facebook: 13 000

Stata is a data analysis and statistical software. Most of its users work in research (field of economics, sociology, political science).

Do you know of others? Let us know!

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