🐹 Free & Open Source

Learn Go Interactively

Master Go through lessons, hands-on workshops, and coding labs — no setup required.

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Everything You Need to Learn Go

📖

Lessons

Read concise theory with syntax-highlighted Go examples, then prove your understanding with a quick quiz.

🔨

Workshops

Follow step-by-step guided exercises. Each step validates your code before you can move on.

🧪

Labs

Solve open-ended challenges. An automated test suite checks your output and gives instant feedback.

Curriculum

#	Module	Type	Time
1	Introduction to Go	LESSON	~10 min
2	Basic Types	LESSON	~12 min
3	Variables	WORKSHOP	~15 min
4	Variables Lab	LAB	~20 min
5	Pointers	LESSON	~14 min
6	Pointers Workshop	WORKSHOP	~20 min
7	Functions	LESSON	~12 min
8	Functions Workshop	WORKSHOP	~20 min
9	Closures	LESSON	~14 min
10	Closures Workshop	WORKSHOP	~22 min
11	Temperature Converter Lab	LAB	~20 min
12	Control Flow	LESSON	~12 min
13	Control Flow Workshop	WORKSHOP	~20 min
14	Arrays	LESSON	~10 min
15	Slices	WORKSHOP	~15 min
16	Functional Pipeline Lab	LAB	~25 min
17	Maps	WORKSHOP	~15 min
18	Word Frequency Analyzer Lab	LAB	~25 min
19	Structs	LESSON	~14 min
20	Structs Workshop	WORKSHOP	~25 min
21	Task Manager Lab	LAB	~30 min
22	Interfaces	LESSON	~14 min
23	Interfaces Workshop	WORKSHOP	~25 min
24	Shapes Calculator Lab	LAB	~30 min
25	io.Reader	LESSON	~12 min
26	Error Handling	LESSON	~16 min
27	Error Handling Workshop	WORKSHOP	~25 min
28	Input Validator Lab	LAB	~30 min
29	Defer, Panic, and Recover	LESSON	~14 min
30	Defer, Panic & Recover Workshop	WORKSHOP	~20 min
31	Strings & Runes	LESSON	~14 min
32	Strings & Runes Workshop	WORKSHOP	~20 min
33	JSON Encoding	LESSON	~14 min
34	JSON Workshop	WORKSHOP	~20 min
35	Product Catalog Lab	LAB	~30 min
36	Goroutines & Channels	LESSON	~16 min
37	Goroutines Workshop	WORKSHOP	~25 min
38	Generics	LESSON	~14 min
39	Generics Workshop	WORKSHOP	~20 min
40	HTTP Basics	LESSON	~16 min
41	HTTP Workshop	WORKSHOP	~25 min
42	Item Store API Lab	LAB	~35 min
43	Testing in Go	LESSON	~14 min
44	Testing Workshop	WORKSHOP	~25 min
45	Calculator Test Lab	LAB	~35 min
46	context.Context	LESSON	~13 min
47	Context Workshop	WORKSHOP	~22 min
48	File I/O	LESSON	~14 min
49	File I/O Workshop	WORKSHOP	~22 min
50	Word Count Lab	LAB	~30 min
51	time & sync extras	LESSON	~13 min
52	time & sync Workshop	WORKSHOP	~22 min
53	Concurrency Patterns	LESSON	~16 min
54	Concurrency Patterns Workshop	WORKSHOP	~30 min
55	Structured Logging with slog	LESSON	~13 min
56	slog Workshop	WORKSHOP	~20 min
57	Go Modules & Packages	LESSON	~14 min
58	Modules & Packages Workshop	WORKSHOP	~20 min
59	CLI Flags & Env Vars	LESSON	~12 min
60	CLI Flags Workshop	WORKSHOP	~20 min
61	database/sql	LESSON	~15 min
62	database/sql Workshop	WORKSHOP	~25 min
63	Task Store Lab	LAB	~35 min
64	Graceful Shutdown	LESSON	~12 min
65	Graceful Shutdown Workshop	WORKSHOP	~25 min
66	Struct Embedding	LESSON	~12 min
67	Embedding Workshop	WORKSHOP	~20 min
68	Type Assertions & Type Switches	LESSON	~13 min
69	Type Assertions Workshop	WORKSHOP	~20 min
70	HTTP Middleware	LESSON	~14 min
71	HTTP Middleware Workshop	WORKSHOP	~22 min
72	Middleware Chain Lab	LAB	~35 min
73	HTTP Client	LESSON	~13 min
74	HTTP Client Workshop	WORKSHOP	~22 min
75	Benchmarking	LESSON	~12 min
76	Benchmarking Workshop	WORKSHOP	~20 min
77	sync/atomic	LESSON	~12 min
78	sync/atomic Workshop	WORKSHOP	~20 min
79	strconv — String Conversions	LESSON	~11 min
80	strconv Workshop	WORKSHOP	~18 min
81	Profiling with pprof	LESSON	~14 min
82	Profiling Workshop	WORKSHOP	~22 min
83	Sorting with the sort Package	LESSON	~12 min
84	sort Workshop	WORKSHOP	~20 min
85	Regular Expressions	LESSON	~13 min
86	regexp Workshop	WORKSHOP	~20 min
87	The Race Detector	LESSON	~11 min
88	Race Detector Workshop	WORKSHOP	~18 min
89	Error Wrapping & Sentinel Errors	LESSON	~13 min
90	Error Wrapping Workshop	WORKSHOP	~20 min
91	Running Subprocesses with os/exec	LESSON	~13 min
92	os/exec Workshop	WORKSHOP	~22 min