Components

• Button72
• Tabs63
• Checkbox60
• Tooltip57
• Select54
• Cards50
• Radio50
• Pagination49
• Table46
• Modal43
• Accordion42
• Breadcrumb40
• Badge37
• Avatar36
• Switch36
• Menus34
• Link34
• Tag33
• Popover32
• Input30
• Alerts30
• Sliders29
• Toast29
• Spinner28
• Dialogs26
• Dropdown24
• TextArea24
• Drawer22
• Skeleton21
• Icon21
• Lists20
• Combobox18
• Progress17
• Toggle17
• Form17
• Date picker16
• DatePicker16
• Header16
• Notification15
• Banner15
• Footer14
• Stepper13
• Chips12
• Text input11
• Label11
• Calendar11
• Tree10
• Search10
• Segmented controls10
• Progress bar10
• Divider10
• Text fields9
• Data table9
• Timeline9
• Carousel9
• Loader9
• Callout9
• Navigation9
• Box9
• Heading9
• Button group8
• Progress indicators7
• Tile7
• Collapse7
• Image7
• Steps7
• Grid7
• Fieldset7
• Text7
• Snackbar6
• Tree view6
• Autocomplete6
• ColorPicker6
• Side navigation6
• Message6
• Panel6
• Pills6
• Code block6
• Toolbars5
• File uploader5
• Form field5
• Wizard5
• Cascader5
• Details5
• Notice5
• Rating5
• Radio group5
• Date input5
• Skip link5
• Checkboxes4
• Date/Time pickers4
• Combo box4
• Loading4
• Multiselect4
• Sheets4
• TextInput4
• SearchField4
• TextField4
• TimePicker4
• Upload4
• Layout4
• Disclosure4
• Popup4
• Empty state4
• Color picker4
• Search bar4
• Sidebar4
• Data list4
• File upload4
• Stack4
• Split button4
• Collapsible4
• Overlay4
• Text area4
• Field3
• Pickers3
• Meter3
• Autosuggest3
• Date range picker3
• Rate3
• Transfer3
• including Button3
• DateInput3
• Navbar3
• Page header3
• Data grid3
• Context menu3
• Flyout3
• Form controls3
• Side nav3
• Typography3
• charts3
• Filter3
• Icon button3
• Flex3
• Scrim3
• Character count3
• Error message3
• File input3
• Container3
• Main nav3
• FAB2
• Bottom sheets2
• Message bar2
• Code snippet2
• Overflow menu2
• Navigation bars2
• PageHeader2
• ProgressBar2
• SegmentedControl2
• TreeView2
• TagGroup2
• Top navigation2
• Status indicator2
• Descriptions2
• 60+2
• Guide2
• Cell2
• Price2
• Signature2
• Date time picker2
• Dropdown menu2
• Flag2
• Modal dialog2
• Lookup2
• Map2
• Path2
• Tree grid2
• Page template2
• SideNavigation2
• Alert dialog2
• Action bar2
• Side panel2
• Jump links2
• Blockquote2
• Subnav2
• Password2
• Vertical nav2
• Token2
• Billboard2
• Hero2
• RadioButtonGroup2
• Alert banner2
• RadioGroup2
• Menu button2
• Status2
• Popout2
• Range2
• Search box2
• Search input2
• Page2
• Note2
• Snippet2
• Section2
• Layer2
• RangeInput2
• SkipLink2
• Video2
• Time picker2
• ButtonIcon2
• Drilldown2
• Options2
• Date input/picker2
• AG Grid theme2
• validation2
• Close button2
• Star rating2
• Pin code2
• Segmented button2
• Back link2
• Cookie banner2
• Error summary2
• Inset text2
• Summary list2
• Task list2
• Back to top2
• Loading indicator2
• In-page navigation2
• Process list2
• Summary box2
• Language toggle2
• Sidenav2
• Choice list2
• Link list2
• Page alerts2
• Paragraph2

Collapsible

Found in 4 design systems

Seeds

Sprout Social

HPE Design System / Grommet

Hewlett Packard Enterprise

Lion

ING

Backstage UI

Spotify / Backstage