Ngendzong Repa
Twenty-five Tantras of the Great Perfection ༺རྫོགས་ཆེན་ཀྱི་རྒྱུད་ཉི་ཤུ་རྩ་ལྔ།༻ - (rdzogs chen kyi rgyud nyi shu rtsa lnga) - twenty-five tantras, belonging to the Mind Section and possibly also the Space Section, taught by Shri Singha to Vairochana. These are listed, along with their purposeful intent in Chapter 14 of The Lotus-Born (Sanglingma). (Rangjung Yeshe Publications)
These are as follows:
Auspicious Lamp Tantra ༺བཀྲ་ཤིས་སྒྲོན་མའི་རྒྱུད།༻ (bkra shis sgron ma'i rgyud) - One of The Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. RY
Tantra of the Lamp of the Three Realms ༺ཁམས་གསུམ་སྒྲོན་མའི་རྒྱུད།༻ (khams gsum sgron ma'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. A text with similar title is found in Vol. KA of the Nyingma Gyübum. [RY]
Definite Essence Tantra ༺ངེས་པ་སྙིང་པོའི་རྒྱུད།༻ (nges pa snying po'i rgyud) - One of The Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Single Mind Tantra ༺ཉག་གཅིག་དགོངས་པའི་རྒྱུད།༻ (nyag gcig dgongs pa'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Essence Chiti Tantra ༺སྙིང་པོ་སྤྱི་ཏིའི་རྒྱུད།༻ (snying po spyi ti'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Most Secret Vajra Tantra ༺རྡོ་རྗེ་རབ་ཏུ་གསང་བའི་རྒྱུད།༻ (rdo rje rab tu gsang ba'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Great Space Liberation Tantra ༺ནམ་མཁའ་ཆེ་གྲོལ་བའི་རྒྱུད།༻ (nam mkha' che grol ba'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Great Extensive Space Chiti Tantra ༺ནམ་མཁའ་ཆེ་རྒྱས་པ་སྤྱི་ཏིའི་རྒྱུད།༻ (nam mkha' che rgyas pa spyi ti'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Great Extensive Space Tantra ༺ནམ་མཁའ་ཆེ་རྒྱས་པའི་རྒྱུད།༻ (nam mkha' che rgyas pa'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Great Space Tantra of Awakened Mind ༺ནམ་མཁའ་ཆེ་བ་སེམས་ཀྱི་རྒྱུད།༻ (nam mkha' che ba sems kyi rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Epitomized Great Space Empowerment Tantra ༺ནམ་མཁའ་ཆེ་དབང་གི་གལ་མདོའི་རྒྱུད།༻ (nam mkha' che dbang gi gal mdo'i rgyud) - One of The Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Summit Tantra of Letterless Great Space ༺ནམ་མཁའ་ཆེ་ཡི་གེ་མེད་པ་རྩེ་མོའི་རྒྱུད།༻ (nam mkha' che yi ge med pa rtse mo'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Tantra of the Sphere of Awakened Mind ༺བྱང་ཆུབ་སེམས་ཀྱི་ཐིག་ལེའི་རྒྱུད།༻ (byang chub sems kyi thig le'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Pure Space Tantra ༺དབྱིངས་རྣམ་པར་དག་པའི་རྒྱུད།༻ (dbyings rnam par dag pa'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Garland of Instruction Tantra ༺མན་ངག་ཕྲེང་བའི་རྒྱུད།༻ (man ngag phreng ba'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Quintessence King Tantra ༺ཡང་ཏིག་རྒྱལ་པོའི་རྒྱུད།༻ (yang tig rgyal po'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Primordial Buddhahood Tantra ༺ཡེ་ནས་སངས་རྒྱས་ཀྱི་རྒྱུད།༻ (ye nas sangs rgyas kyi rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Wisdom Lamp Tantra ༺ཡེ་ཤེས་སྒྲོན་མའི་རྒྱུད།༻ (ye shes sgron ma'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Wisdom Essence Tantra ༺ཡེ་ཤེས་ཐིག་ལེའི་རྒྱུད།༻ (ye shes thig le'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Jewel Lamp Tantra ༺རིན་པོ་ཆེ་སྒྲོན་མེའི་རྒྱུད།༻ (rin po che sgron me'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Jewel Garland Tantra ༺རིན་པོ་ཆེ་ཕྲེང་བའི་རྒྱུད།༻ (rin po che phreng ba'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Shining Jewel Tantra ༺རིན་པོ་ཆེ་འབར་བའི་རྒྱུད།༻ (rin po che 'bar ba'i rgyud) - One of The Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Wisdom Knowledge Tantra ༺ཤེས་རབ་ཡེ་ཤེས་ཀྱི་རྒྱུད།༻ (shes rab ye shes kyi rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Secret Ocean Tantra ༺གསང་བ་རྒྱ་མཚོའི་རྒྱུད།༻ (gsang ba rgya mtsho'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Short Indirect Meditation Tantra ༺བསམ་གཏན་བརྒྱུད་པའི་མདོ་རྒྱུད།༻ (bsam gtan brgyud pa'i mdo rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]
Single Meditation Tantra ༺བསམ་གཏན་གཅིག་པུའི་རྒྱུད།༻ (bsam gtan gcig pu'i rgyud) - One of the Twenty-five Tantras of the Great Perfection taught by Shri Singha to Vairochana. [RY]