Test, try and build anything you can imagine

Fully transparent – build on top if needed

Segmentation that doesn’t put your users at risk

Speed up your production releases, simply

Open source, open to oversight and open to you

Join over 10,000+ builders who want to ship great software like you

Everything you need to know about the setup, deployment and customization of Unleash

How Total Wine and More  blended security and control with experimentation,  on its own terms.

How Pitch’s engineers got back their time for creativity.

How Eika uses feature management to balance  speed with strict financial regulations.

<p>We want to hear from you! Fill in this form if you have general questions or feedback about Unleash.</p>
<style> .zrf-form label, .zrf-form input[type=text], .zrf-form input[type=password], .zrf-form input[type=tel], .zrf-form input[type=email], .zrf-form input[type=file], .zrf-form textarea, .zrf-form select {width:100%;font-family:inherit;font-size:inherit;} .zrf_extra_info {font-size: 80%;} </style><div id="zrf-form" class="zrf-form"><form method="post" action="https://wp.getunleash.io/wp-admin/admin-ajax.php"  enctype="multipart/form-data"><input type="hidden" name="zen_begin" value="zen_begin" readonly><input type="hidden" name="zen_return_url" value="https://www.getunleash.io/thank-you"><p style="display:none"><input type="text" name="zrf-email-website" value="" autocomplete="off"></p><p id="zendesk_field_zen_name_1"><label for="zen_name_1"><span class="zrf_field_title">First name</span></label>  <input type="text" name="zen_name_1" id="zen_name_1" class="zen_name_field" value="" required></p><p id="zendesk_field_zen_name_2"><label for="zen_name_2"><span class="zrf_field_title">Last name</span></label>  <input type="text" name="zen_name_2" id="zen_name_2" class="zen_name_field" value="" required></p><p id="zendesk_field_zen_email"><label for="zen_email"><span class="zrf_field_title">Your Email</span></label>  <input type="email" name="zen_email" id="zen_email" value="" placeholder="" required></p><p id="zendesk_field_zen_subject"><label for="zen_subject"><span class="zrf_field_title">Subject</span></label>  <input type="text" name="zen_subject" id="zen_subject" value="" required></p><input type="hidden" name="zen_subject_prefix" value="ContactWebForm: " readonly><p id="zendesk_field_zen_desc"><label for="zen_desc"><span class="zrf_field_title">Your Message</span></label>  <textarea name="zen_desc" id="zen_desc" rows="8" required></textarea></p><p id="zendesk_field_zen_files"><label for="zen_files"><span class="zrf_field_title">Upload a file</span></label>  <input type="file" id="zen_files" name="zen_files[]" accept=".jpg,.jpeg,.png,.gif,.pdf,.txt,.csv,.xls,.xlsx,.doc,.docx,.JPG,.JPEG,.PNG,.GIF,.PDF,.TXT,.CSV,.XLS,.XLSX,.DOC,.DOCX"  >  <span class="zrf_extra_info" id="zrf_accepted_filetypes">Maximum size: 7MB.<br />Allowed file types: .jpg, .jpeg, .png, .gif, .pdf, .txt, .csv, .xls, .xlsx, .doc, .docx.</span></p><input type="hidden" name="zen_user_agent" value="1"><input type="hidden" name="action" value="zrf_form_action"><p id="zendesk_field_zen_submit">  <input type="submit" id="zrf_submit" value="Submit" onClick='ga("send", "event", { eventCategory: "Zendesk Request Form", eventAction: "Form Submitted" });' ></p></form></div>
			<script>
			
			jQuery(document).ready(function($) {
				
				// first letter of name uppercase
				$(".zen_name_field").on("keydown", function(event) {
					if (this.selectionStart == 0 && event.keyCode >= 65 && event.keyCode <= 90 && !(event.shiftKey) && !(event.ctrlKey) && !(event.metaKey) && !(event.altKey)) {
						var $t = $(this);
						event.preventDefault();
						var char = String.fromCharCode(event.keyCode);
						$t.val(char + $t.val().slice(this.selectionEnd));
						this.setSelectionRange(1,1);
					}
				});
				
				// double click protection to stop duplicate submissions
				$("#zrf_submit").removeAttr("disabled");
				$("#zrf-form").bind("submit", function(e) {
					
			if (window.File && window.FileReader && window.FileList && window.Blob) {
				
				var fileUpload = $("input[type='file']");
				if (parseInt(fileUpload.get(0).files.length) > 1){
					e.preventDefault();
					alert("You can only upload a maximum of 1 files.");
				}
				
				var fileInput = $("#zen_files");
				
				//get data from file input field
				if (fileInput.val()) {
					var fileSize = fileInput[0].files[0].size;
					var fileName = fileInput[0].files[0].name;
				
					// check if file is correct size
					if (fileSize > 7340032) {
						e.preventDefault();
						alert("Uploaded file is too large.");
					}
					
					// check if file type is allowed				
					var re = /(?:\.([^.]+))?$/; // https://stackoverflow.com/questions/680929/how-to-extract-extension-from-filename-string-in-javascript
					var fileExt = "." + re.exec(fileName)[1];
					var validExts = [".jpg",".jpeg",".png",".gif",".pdf",".txt",".csv",".xls",".xlsx",".doc",".docx"];
					
					if ($.inArray(fileExt, validExts) == -1) {
						e.preventDefault();
						alert("Uploaded file type is not allowed.");
					}
				}
			}
			
					
					// check any URL fields
					$(this).find(".zrf_input_url").each(function() {
						// is the field required and has been left as http:// default?
						if (($(this).prop("required"))&& ($(this).val() == "http://")) {
							alert("Please enter a valid URL");
							$(this).css("border", "2px solid #000");
							e.preventDefault();
							return false;
						}
					});
					
					// disable submit button
					$(this).find("#zrf_submit").attr("disabled", "disabled");
					// re-enable after 3 seconds
					setTimeout(function() {
						$("form").find("#zrf_submit").removeAttr("disabled");
					}, 3000);
					
				});
				
			});
			</script>


Contact

#1 Canary Deployment Software | Get free access now

#1 Feature flag management software | Get free access now

#1 Feature Management Software | Get free access now

#1 Feature Toggle Management Software | Get free access now

About us

Agile Software Development

AIOPS

Ambassador Program

An open-source alternative to LaunchDarkly

API testing

Azure Devops

Blog

Blue Green Deployment

Building stronger engineering teams with team topologies

Canary Deployment

Canary deployment software | Book a demo

Canary deployment software | Try it now

Canary Release

Canary release software | Book a demo

Canary release software | Try it now

Careers

Case Studies

Community

Continous Delivery

Continuous Deployment

Continuous Improvement

Continuous Integration

Data Processing Agreement

Developer Advocate

Devops

Devsecops

Dora Metrics

Event Driven Architecture

Fair Use Policy

Feature flag management | Book a demo

Feature flag management | Try it now

Feature Flag Management Tools

Feature flags for Go

Feature flags for Java

Feature flags for Node.js

Feature flags for PHP

Feature flags for Python

Feature flags for Ruby

Feature management

Feature management for canary deployments | Book a demo

Feature management for canary deployments | Try it now

Feature Management Software | Book a demo

Feature management software | Try it now

Feature Toggle Management

Feature toggle management | Book a demo

Feature toggle management | Try it now

Flexibility

Flexible platform

From 4 releases a year to 1 every other minute

From the bottom up: Transforming Medidata with DevOps and simplicity

Front page – new index

Glossary

Guide to Feature Management

Head of Developer Relations

Home

How Eika uses feature management to balance  speed with regulation

How feature management became a core part of the way Vizlib develops–and audits–software

How Microsoft Keep Engineers Happy and Productive in the Age of Hybrid Work

How Pitch’s engineers got back their time for creativity

How Simply Wall Street uses feature flags to deliver sleek  and accessible analytics

How Storebrand uses feature management to kickstart collaboration

How Talentech uses feature flags to kickstart coordination across the HR talent journey

How Total Wine & More  blended security with experimentation,  on its own terms